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Transfer Case / Axles / Driveshafts Tech Forums.
Duramax transfer case noise $113. Transmission is working good. 01-04. When this happens, the RPMs drop to 1K, and the noise slows Click noise when putting in reverse in transfer case2011 lml duramax 2500, what you think anyone with same issues? Get the best of Duramax Forum on our official app. Come join the discussion about duramax engines 2001 Duramax Stock tranny 180k All new stock Fuel Injectors New transfer case Information on Engine Ticking Noise Models: 2001-2007 Chevrolet Silverado (Classic) New transfer case 4inch turbo back 7inch black tip Black recon Cab lights / blue L. Products [21] Sort by: Brand. any help would be greatly appreciated . Pull trans case and get it rebuilt and then reinstall 2. Need to investigate a noise in mine and cant find the transfer case model or part number on it anywhere. youtube. 4 posts Transfer case would be more of a grinding noise as the fluid would be gone if there was a hole in it. 07. Is the transfer case a standard one or were there different model options for case. transfer case popping noise. Took it to one mechanic and he used a Snap-on diagnostic scanner and told me that it was the switch (free). Clutches, & Drivetrain | 2011-2016 Chevy / GMC Duramax LML 6. Seems to do it Hi-I have an 04 Duramax with 100k miles. DMAXStore Kryptonite Engine Mounts/ DA Transfer Case Brace/Pump Rub/ Dirty Hooker Steering Brace/ DHD Hybrid Water Pump/ 3" Drop Shackles/ Belltech Shocks/ Autometer Cobalts EGT&Boost/Edge CTS/ Rare What would be a killer deal on the truck it's a 2005 lly gmc with 110k like I said he had work done on the truck before. Come join the discussion about modifications, towing Transfer case issues, or not??? I get the ugly grinding of gear noise and then it engages. It will be in much safer hands there. 2007 Yukon 1997 Sierra 6. Merchant Automotive 10057 Transfer Case Pump Upgrade Kit. 5-10 LMM Forums. 5 LB7 Duramax Powertrain. The ticking in the driver side when driving. Verify that the snap ring is fully engaged and properly seated in the rear There is a TSB #09-04-21-002A for 07-09 3/4 and 1 ton trucks to replace tailshaft seal with updated part #24226707 for transfer case leak. Add To Cart. arpowers427 Discussion starter. I put it up on a rack and engaged 4x4 and makes no noise but when on ground it pops bad and sounds horrible. General Motors and Chevrolet, NP (New Process) 246 Transfer Case Common Problems and Solutions. The issue is the Transfer Case has a internal pump that rubs a hole in the damn case, all the fluid leaks out (if you don't know to check) and bam it's Transmission - Transfer Case - Driveline ⚙️ 2015 Duramax, 1986 M1031, 2006 1500HD. Ready to place an order? Have questions? Send us an email 24/7 at team@dalessuperstore. Only way to know for sure it's in the front axle being a carrier bearing etc. That is when I officially new that I was not going to drive this home. Hitting the gas is the final jolt to disconnect the transfer case and put your truck back into 2 wheel drive. I recorded some video inside the cab. Still drives, but I know its smoked. 5-10 LMM Duramax Powertrain Driveshaft ticking noise The new one has a loud ticking noise whenever I start from a stop. I didn't have this sound with the OEM ever. afe cold air intake,5in,exhaust,tie rod sleeves. Fits 2001-2007 GM vehicles; Rustbelt Mechanic 👉 https://youtu. The rear case half of this unit is made out of magnesium and However, you can always put the aftermarket unit on and fix it. 1. This condition may be caused by normal transfer case clutch plate break in and wear, creating excess contaminants in the fluid. 2021 GMC Sierra 3500HD Denali A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. No fluid loss as the t-case was full. R. Subject: Duramax Diesel Engine Oil Pan Whine Noise Chevy / GMC Duramax 01-04. The cab corners and rockers are bubbling the transfer case when in 4x4 doesn't come out all the time. In this video, Andy explains some of those problems you may face with your vehic All finished units are thoroughly spin tested for shiftability and noise. fluid is filled to where its suposed to be. and just makes the gear in the front axle rub it would make noise. Google "Durmax Transfer Case Leak" and you'll see post from 3 years back. Goes away when I release the accelerator pedal. The pump had actually exploded an I know, I did search it like crazy, and only found 2 post where they had this issue. Just when we started the return trip of the same distance with about 2200 lbs in tow the transfer case started to make very perceptible noise. 3. And Subject: [RAM] Transfer Case Shifter rattle To eliminate that annoying Transfer Case Shifter rattle - you need one spring PN 4301631, designed for Mitsubishi 3L engine exhaust flange. I also took this opportunity to change the transfer case fluid to verify 4wd is popping. 619 461-0171 . All transfer cases are shipped in high density plastic totes to eliminate damage in transit. Correction Perform road test to diagnose transfer case noise: 1. gsrbuc Discussion starter 9 posts · Joined 2009 Add to quote 2001 2500hd 4wd extended cab ls, s&b cai, 4" stainless steel exhaust, efi live from atp trucks, edge cts, ppe boost valve, banks intercooler pipe, air dog ii 165, rebuilt tranny with suncoast kit, transgo shiftkit and billit torque converter, new upgraded tailshaft, pump rub fix on transfer with new aluminum tail shaft, new tow mirrors, new gage heavy duty front and rear Some customers may comment on a clunk, bump or squawk noise when the vehicle comes to a stop or when accelerating from a complete stop. I would make sure there is fluid in your transfer case. Also, worn-out U-joints cause grinding noise from the transfer case. did some investigating and i can move the drive shaft up and down and the transfer case so im thinking there is a bearing bad. 2020+ GM T1 Platform Powertrain 2020 transfer case clunk Apparently trucks with the NQF or NQH transfer case can have a clunking sound during coast down. J. new transfer case because there was a good clunk whenever I pushed up and down, with a bit of metal shavings when I dropped the fluid with that said I’ve changed both U-joints on the front shaft, I’ve tightened all the cross member bolts, and mounting bolts, I’ve changed All, 2017 2500 HD LTZ with 8200 miles bought new in February. 2019 Chevrolet Silverado 3500HD 6. Putting tranny in neutral or going to 4x4 seemed like it quieted down a bit. Click noise in transfer case?? Jump to Latest Follow 1319 Views 4 Replies 4 Participants Last post by KoDracing, Dec 5, 2013. Page 2 June, 2019 Bulletin No. 20, and closed Dec. Will the pump rub make any type of noise? 2004. Spraying WD40 gel on the Transfer Case front output seal made no difference. 50/18 Nitto Trail Grapplers, 18 My '99 silverado 1500 4wd started making this grinding noise when I take off. I am just now ordering a transfer case from Transfer Case - Transfer Cases - Transfer Case Warehouse - Rebuild Kits - Duramax Transfer Case. Mostly just when under load or if I hit the gas too hard. The transfer case has a chain drive inside. I have a 2003 Duramax that is popping/grinding when I put it in 4 wheel drive. Then I went down a neighborhood road that has a combination of rough surface and dips where the concrete has settled a bit and got the noise again. I had the same noise when turning to the right so i replaced the CV Axle on the passenger side. Drained fluid in it too and no metal filings. Transfer case thumping noise on take off and stopping. Weird on a rebuilt transfer case! Another $130. Is it normal to need new oil after only 7000km on it. I would honestly shoot for the simpler things like a loose strap or check transfer case etc. 5-10 LMM Duramax Powertrain Transfer case rebuild Like the title states my transfer case needs a rebuild. I checked all u-joints, cv axles etc. strange noise. The LB7 Duramax trucks came equipped from the factory with either a New Process NP261 transfer case or NP263 transfer case (also known as a New Venture NV261 / NV263 or GM 261XHD / GM 263XHD). Learn to diagnose and fix transfer case problems with our I noticed a noise under the truck, climb under and could push up and down on the drive shaft at the transfer case and had movement. When I am in reverse there is occasionally a loud popping noise like there are gears jumping on each other. The t-case does not appear to have any leaks. DMAXStore Kryptonite Engine Mounts/ DA Transfer Case Brace/Pump Rub/ Dirty Hooker Steering Brace/ DHD Hybrid Water Pump/ 3" Drop Shackles/ Belltech Shocks/ Autometer 2005 GMC 2500HD • 4x4 • Duramax • Allison • Denali Headlights • 285/55R20 Nitto Terra Grapplers on Black/Machined XD Hoss -12 Offset • MBRP 4" Stainless Turbo Back • Diamond Eye Turbo Direct Pipe • LBZ Mouthpiece • EGR Blocked & Cooler Bypassed • PPE Standard Level 4 • Autometer Cobalt Boost Gauge • EDGE Insight CTS w Transfer Case Trashed at Only 38k Miles - 2019 L5P - Beware if You Have Excessive Metal on Your Magnetic Drain Plug I am yet to see the front end of a differential drop lift kit on a 2017-2019 Duramax crafted as carefully & meticulously as this setup. com All finished units are thoroughly spin tested for shiftability and noise. To avoid further damaging the Duramax transfer case, you should hire an expert mechanic to diagnose and repair the problem. 26 posts · Joined 2012 Add to quote; Only show this user Since the transfer case is virtually up under me while driving, I've ruled it out since the noise is coming from behind me. On engine start up, the transfer case control module will attempt to perform a relearn, and if the condition that caused the C0387 to set is still current and the encoder motor cannot move in the direction or amount desired by the transfer case control module during the relearn process, the transfer case control module will flag a C0569 instead In the case of the 1998-2007 GM 4WD vehicles, with or without Duramax diesel engines, the transfer case is mounted directly to the transmission output adapter. roadwarrior. 5 Liters) Warranty Information The old t-case made no noise like this when it was working properly. 1382 Views 0 Replies 1 Participant Last post by detroitmuscle085, Jan 17, 2011 Jump to Latest D. com FREE DELIVERY possible on eligible purchases Gentek Performancehttps://www. toddtwoddy Discussion starter 77 posts Chevy / GMC Duramax 06-07 LBZ & LLY Forums. Not sure if its the transfer case/trans or the drive shaft hollow sound. 39. When you disengage the 4x4 and are coasting, you're still in 4x4 until you hit the gas. Does not make this noise when truck is in Park. detroitmuscle085 Discussion starter · Jan 17, 2011. I looked into it a little and noticed the turbo had a lot of in and out shaft play and thought that was the noise so I put a new turbo on it. I noticed it for the first time last night but i just thought it was the cold making the engine run tougher than normal (it has a blown head gasket that i have yet to get repaired, i'm in college and the $11,000 motor swap isn't exactly in my budget right now haha) anyway, i know it's coming from the t case because i crawled under the truck and Buy NP263XHD Transfer Case- NP1 Fits 01-07 GM Trucks with 6. I have just over 80,000 miles. seat belt noise, cheap woodgrain & dpf Road Armor frt bumper & grill guard. I figured if the chain broke it would be a mess of metal and noise but truck drives fine, no funny noises. My transmission shop installed case saver, new shift forks and a new rear case half with all new seals and bearings/bushings. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! GM replaced Transfer Case at 65,000 miles due to leakage. Some can correct me if I am wrong but I think the front drive shaft always spins. Fluid still red. 06-07 LBZ & LLY Duramax Powertrain Internals of transfer case. I'm pretty sure the tapping noise I'm feeling is that shaft 6" lift 35s duramax/Allison with 99,984 miles Please help!! See less See more 2005 Chevy 2500HD LT 6" RCD Lift, 35/12. gentekperformance. This is our third D/A and none did this till now. 00. 5 LB7 Duramax Powertrain Transfer case grind. So now I have this rotating popping clunking coming from drive train when driving, possibly front end or transfer case. Save Share Transfer Case / Axles / Driveshafts Tech Forums. Everything is tight, ujoints are brand new. 6L & 8. 2007 2500hd LMM I have just checked the transfer case is dry and clean I forgot to mention that I changed my fluids in the transfer case and the differentials and for the transfer case i used 2 qt of Castrol transmax dextroll vi only in reverse, and not make noise going foreward. Reply. When I engage 4wd over 35 miles per hour, there is a grinding/screaching noise like gears not meshing. Duramaxdiesels. 6 w/ Elevated Ingenuity Built Trans; Sun Coast triple disc torque converter; DSP5 switch w/PPEI ‘built trans’Tunes ; Kodiac Trucks Llc built transfer case; Air Dog 4G lift pump; 4” mbrp turbo back exhaust; Bilstein 5100 shocks; auto meter boost and EGT gauges; Toyo open country m/t. its a grinding type sound (almost like a front wheel bearing but they have been checked) but it is a pulsating sound (kind of like a wash machine) you can hear it low speeds and it does speed up as speed increases but when you let off the fuel it What years are affected by transfer case pump rub and does it affect both manually shifted and auto. There is a certain amount of slack per spec, it Anyways I bought a used tranny and tcase off a friend that was bolted to a 04 lb7 The transfer case actuator plug is different l, the one on tcase is flat while there are two open plugs that plugged into the actuator on my old case. The LMM Transfer Case mounts to the back of the transmission and is what the front and rear drive shafts connect to. Every chain whines a little. Lot of bloody help they were. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! Show Less . That would make 4wd not work, and maybe also signal the bcm that it didn't engage properly. Get under the truck and check out the U-Joints, grab the shafts and try to move them around. I'm getting this awful grinding/ratcheting sound when decellerating (coasting), usually downhill, usually around 45-50 MPH. com/https://www. Requires Shipping: Item Requires Shipping Weight: 140. 2013 Silverado 2500HD LML CCSB 4x4 LTZ Trim EFI Tunes by Kory, ADII 165 Lift Pump, Edge Duramax. 5 LLY A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Rear end fluid changed recently. Changed the transfer case fluid and it wasn't bad in color (darkish red with slight metallic color) and no chunks I could see. Lift the vehicle. The transfer case Check to see if there is any brake binding before the test. Happens in drive and reverse. 2001 GMC Sierra 6. ive had the same noise before and just replaced the tcase but woukd like to not do Originally posted in 2011-2016 forum, re-posting in this forum. second service: clunk noise while driving, road test felt clunk coming from drive line. I was thinking probably jumping in and out of 4x4. The output/tail shaft of the t-case has NOTICEABLE play up and down and clanks inside the t-case housing. Alternatively, you can take your car to the dealer. Going into AUTO made no difference. Stock for stock powertrain, we have to give the nod to the EcoDiesel. The noise it speed dependent only, rpms, breaking, LLY Duramax Transfer Case Upgrades & Parts. 5 LLY 3500 Dually, PCV reroute, 4" turbo back MBRP exhaust, fingered. AirDog 165, Shim Kit, EGR Blocked, Ported rail fitting, MBRP 4" Stainless Exhaust, EFI Live DSP5, TransGo Jr. Jump to Latest 1K views The weird noise is only noticeable at low speed like 15 mph or less. If you feel around the top side of the rear half of the case, you should come across a wire (smaller, not the larger harness on the front half of the case that goes to the encoder motor), follow that wire to a 2 pin plug in a sensor (speed sensor). Add to quote; Share Only show this user. 4 wheel drive low high and auto work. ⇒ This may result in a customer complaint of excessive noise present with 4WD engaged and goes away when switched back to 2WD. The past few months my 4wd low has failed to work on my truck. Come join Pulled the transfer case and took it to the transmission shop. Transfer Case Rear Output Seal, Duramax - 261XHD, 263XHD | 2001 - 2007. It's a 3500 dually. 2005 GMC 2500 EXT/SB 4x4, LLY Mods: EFI Live by Diesel Addiction, PPE, AFE, MBRP, AirDog, 2003 Duramax 2500HD 4x4 ext cab Check the transfer case. My buddys was doing it and it ended up ruining it 06 lly, EFI LIVE DSP5 by Idaho Rob, sdp egr delete, pcv rerout, 6" fab tech lift, eagle alloys plasti dipped wrapped in 35" bfg all terrains, mbrp 5" turbo back, flipped Trans cooler, transgo jr. All, 2017 2500 HD LTZ with 8200 miles bought new in February. Hello people, I posted before about my T/C making a popping Im happy because they replaced my injectors free of charge, but they are telling me that the grinding noise im hearing is normal. I've took it to numerous mechanics to try and figure out what it is. Cause A slip/stick condition between the transfer case output shaft and the driveshaft slip yoke may cause this condition. It is responsible for transferring power to the front wheels and rear wheels in 4-wheel drive The LML Duramax Transfer Case mounts to the back of the transmission and is what the front and rear drive shafts connect to. NP261XHD transfer Chevy / GMC Duramax 01-04. Chevy / GMC Duramax 01-04. Jump to Latest 2K views 1 reply 2 participants last post by Tow Master Feb 18, 2010. View Details. D lights Duramax making weird whining noise. told me it was "something internal". Jump to Latest 1K views 2 replies 2 participants last post by toddtwoddy Aug 14, 2014. It requires the mounting bolts be loosened and the case backed up no more than an inch and a specific re torquing of mounting bolts. a. Jump to Latest 23K I have all the new parts needed along with a new rear case half to start rebuilding the NV 263 XHD transfer case. Put fluid in it and take it to a shop Crawling under it I found the popping noise is coming from the T-case. transfer cases? just does this when plowing. I had the transfer case apart last year to fix the pump rub and everything looked ok. It's not great but does show the noise during deceleration. After all, that's what we're about here at Duramax tuner. 8 liter with a tune update. Gmc loud noise when in reverse My 2008 GMC Sierra makes a horrible noise when backing up, only at random times when the wheels are turned either direction. 5 RCLB *Sold* 97 Sierra 1500 03 Sierra 2500HD 04 Silverado Duramax 07 Silverado Duramax 03 Sierra LQ4 Denali 01 Silverado Duramax 09 Silverado SCRB 2500HD LY6 The old t-case made no noise like this when it was working properly. Duramax Diesel Transfer Case Upgrade KitTo repair or prevent pump rub failure on your Duramax diesel engine transfer case, use this In New Venture/New Process/Magna transfer cases, the chain is not like a motorcycle or bike chain. 5 hrs *This is a unique Labor Operation for Bulletin use only. I had it rebuilt a couple of years ago. I posted about it on here a while back but had no luck getting it to engage. Sound like the transmission is slipping but transmission, transfer case and front dif all check out ok. Jump to Latest 2K views 5 replies Gear replacement: If the transfer case is making noise or grinding, replacing the worn-out gears, bearings, or synchronizer rings may be necessary. Driving down the road she is Went on a 300 mile trip and now I have a growling/grinding noise coming from the back of the transmission/transfer case area (under the back seats almost). T. Buddy said it was normal, just wanted some other opinions or how I can quiet or stop it. We All finished units are thoroughly spin tested for shiftability and noise. As I am driving in 4hi, I get an occassional hard clunk that feels like it is coming from the tranfer case area. Transfer Case, MP 1625/1626. 6L. 06-07 LBZ & LLY Duramax Powertrain Got an 07 GMC CCLB with the 263 transfer case, and I was wondering how much of a pain it is to swap cases out. On the driver side front cab mount there is a ground wire that grounds the transfer case shift motor, it gets broke easily if your off road or in the salt. 07 Silverado Duramax 03 Sierra LQ4 Denali 01 Silverado Duramax 09 Silverado SCRB 2500HD LY6 Conclusion: Tech opened transfer case finally after removing drain plug and seeing shavings. If it’s audible to be a metallic knock that would make me believe it’s an exposed part within the drivetrain so a Floor Jack https://amzn. $1300 free shipping back and forth. Shipping Greetings, I have lurked these pages for a long time, but don't post much. They can stretch, but highly uncommon. Come Now, when you shift it to 2 hi, the input shaft has to slow down (meshing teeth inside) which causes the noise. 2002 ccsb duramax efi tuned by dans diesel performance stage 4 trans by mikel ad165. 6L Parts - Transmissions, Converters, Crawling under it I found the popping noise is coming from the T-case. After I took it apart a lot of parts had to be replaced. Faulty assembly of the transfer case, or failure of the transfer case shaft bearing are the two mostlikely culprits. Duramax Hard Parts 2003 duramax 2500 HD 4 wheel drive Strange noise. Turn volume up to hear the noise better. I crawled underneath and moved the drive shaft between transfer case and front end and when i move it i hear a noise in transfer case. :help '11 LML 2500, Cognito 8" Lift, H&S Mini w/ Korys 200, MBRP 5", AFE Intake, EGR Deleted, Lift Pump, 3" Downpipe and modded up-pipe. Noise quits when i let off throttle. DMAXStore Kryptonite Engine Mounts/ DA Transfer Case Brace/Pump Rub/ Dirty Hooker Steering Brace/ DHD Hybrid Water Pump/ 3" Drop Shackles/ Belltech Shocks/ Autometer Cobalts EGT&Boost/Edge CTS/ Rare Parts Extreme Tie Rods/ PCV Re-routed/ FPRV I have a 2003 Silverado, 2500HD Duramax with Allison. List View. Apr 3, 2024. 2006 2500HD LBZ Duramax. Skip to Content. Back to the shop he replaced the rear seal at the back of the transfer case. The buttons still switch to whatever you pushed, noise comes from both front and Front driveshaft engages to front wheels but no connection inside front transfer case, I can spin the shaft free in 4x4 when wheels are off the ground. Vehicle in question is a 2016 Chevrolet 2500HD, 4x4, gas (L96/6L90E). 145,000 miles and the pump wore a pinhole through the case. com/gentekperformance/https://www. Grid View. Question: The transfer case and diffs all looked good. As mentioned earlier, a transfer make sure before you jump into a t case to check your front axle cv joints, they also would make a grinding and popping noise if they were bad, most of the time the will have 04 2500HD transfer case had sludge in the bottom and clogged pump. It receives its input power directly from the transmission and passes the power along to the rear wheels via the mainshaft. As for replacement of the slip yoke, i haven't seen a TSB for that besides for a slip/stick clunk noise condition. Now, my question is could the transfer case cause my other two wheel drive problem also since the rear drive shaft is still driven off of it? Could also be the slip yoke on the rear driveshaft getting dry and clunking as it compressing and slides out of the transfer case output 2008 2500HD LTZ, EFI Live- Idaho Rob's Tunes, 4" Magnaflow Turbo Back, Raptor 150 Lift Pump, Transgo Jr, All Season Diesel EGR delete with high flow Y-bridge, Edge Insight for gauges, 2004 Chevy silverado 2500 HD LT LB7 DURAMAX 8" INCH FAB TECH LIFT WITH FAB TECH DIRT LOGIC SHOCKS WITH PIGGY BACKS WITH A 2 INCH BODY LIFT WITH BILLSTEIN SHOCKS IN THE REAR Previously repaired transfer cases that were returned and reviewed at the Warranty Parts Center (WPC) indicate excessive use of RTV silicone on the I have been hearing a humming/metal to metal noise from the drivers side wheel well. Also no leakage at the back of the transfer case either. be/eXbNUVN16uARyan’s Diesel Service/Kodiak Truck100 N, Oakridge DrNorth Prairie, WI 53153262-844-9990www. The problems I found were the thumping noise out of the air box. If the clunk happens when not on the ground, that tells you something, though not sure exactly what. 23–Jan. Part Number Description Usage 12477704 Yoke Asm. Just trying to learn as much as I can. i dont know. You need to change the transfer case fluid every 60,000 miles. Josh005 Discussion starter. 5-2010 Chevy / GMC Duramax LMM 6. CV joints got replaced last year as well. Its a ticking/rattle noise. Ok I did some searches on the transfer case's on the df, found a few posts pointing at the pump failure. It bangs real loud and jerks the truck when iI accelerate on a loose surface like gravel. Chevy / GMC Duramax Parts - 2007. Currently running RGT 5w30 in the engine I rebuilt the transfer case a year ago with the pump rub kit and all my u joints are fine, I’ve checked the e brake shoes and those were fine as well, changed my rear diff and transfer case fluid and they came out clean or with the usual stuff no metal chunks. Usually Ships in 24-48 Hours. However it goes away after a while, today it did it first time I drove for around 4 Transfer case was just overhauled with new aluminum rear half, I inspected the chain myself when case was apart and I found nothing obvious. Just lasts a moment and Transfer Case Noise. Transfer case noise. No lights on the switch, no noise from the t-case motorbut the front axle actuator made noise. Its about the same height as my fill bolt on the back. Now every time I go into gear reverse or drive I hear a loud clunk coming from the front half of the t case. It never used to do that and now I am noticing it. With so few miles on the truck, I'm leaning towards the chain in the transfer case Im thinking bout buying the transfer case pump upgrade kit just wondering if anybody else has done this upgrade? 2005 CHEVY 2500HD, 4" MAGNAFLOW TURBO BACK EXHAUST, BULLDOG REMOTE START, BULLY DOG GT TUNER W/ DOCKING STATION AND PYRO, AEM COLD AIR INTAKE W/ K&N FILTER, AFE MP, EGR BLOCKER PLATE, 285/75 tear down t- case found rear output bearing and rear case had excessive play . to/3fSjq72Canadian Link Floor Jack https://amzn. Jump to Latest Does anyone know where I can download a diagram of the internal parts for a transfer case 263xhd it's in a 2007 chevy 3500 duramax classic . 2003 Sierra 2500HD with 180k and 263XHD transfer case Thanks Zumbrota NP263 Transfer Case for 2001-2007 GM Duramax 6. Understand? 2005 chevy duramax 2005 duramax clunking duramax transfer case. 6L Duramax LBZ / Allison trans / manual T-case with Riverside Gear pump-rub-elimination upgrade / coolant Check out our blog here!Duramax Diesel Transfer Case Upgrade Kit To repair or prevent pump rub failure on your Duramax diesel engine transfer case, use this Merchant Automotive Duramax transfer case upgrade kit. Contained inside the transfer case is a set of gears and chains that are engaged or disengaged depending on the drive mode selected. Hello people, I posted before about my T/C making a popping You've isolated it to the transfer case with your testing. what the problem could be. Drive shaft was balanced, and U joints inspected (good) less than 1000 miles ago. I put the truck on jack stands and put the truck into gear and determined I put the transfer case in neutral and shifted into drive and I can hear a load howling/grinding noise from the transmission adapter/transfer case area. 5 LB7 Duramax Powertrain Truck ran fine all the way to work and didn't make a dinging noise (as if door was opened) or CEL. 3. Once open it was found the retaining ring on the shaft was broke off into pieces. Add Transfer Case Fasteners Re-Torque and Road Test 2. 2023 LZO CC std box 4x4 previous: 2021 LM2 CC std box 4x4 ; '18 2500 L5P CCSB 4x4; '11 LML, '10 LMM and 04. 6 Qts (1. It sounds almost like a more metallic rod knock, but the motor seems fine to me. If it feels loose, pull the rear driveshaft and see if you can move the output shaft of the transfer case up and down a lot. No problems the rest if the way home. Transmission - Transfer Case - Driveline ⚙️ A month a go I was driving and while accelerating to get on the highway I started to hear a loud gringing noise (almost like two splined shafts slipping). Come join 2004 duramax Howling Noise @ 55-60. I would like to see the number of the bulletin or year of the truck that the dealer did that Transfer case issues, or not??? I get the ugly grinding of gear noise and then it engages. pump_rub_fix_transfer-case-pump-upgrade-kit 2008 3500hd,Duramax, 4 inch rancho, pro comp traction bars, 35" tires I'm gonna try a new transfer case next because it pops a little any way. Chevy / GMC Duramax 07. also chain and gears had excessive wear. Howdy all, About 3 weeks ago I was driving my Sierra at about 55 mph up a straight paved hill when I felt this deep, whirring vibration come from below my feet (transfer case area) and through the steering. com says: December 11, 2013 at 8:55 pm Supporting: DMAXStore Kryptonite Engine Mounts/ DA Transfer Case Brace/Pump Rub/ Dirty Hooker Steering Brace/ DHD Hybrid Water Pump/ 3" Drop Shackles/ Belltech Shocks/ Autometer Cobalts EGT&Boost/Edge CTS/ Rare Parts Extreme Tie Rods/ PCV Re-routed/ FPRV Shimmed/Red Head Steering Gearbox/ Tailgate EZ-Down/ 12K Badlands Winch (removable) Chevy / GMC Duramax 06-07 LBZ & LLY Forums. Sent from my SM-G920V using Tapatalk Supporting: DMAXStore Kryptonite Engine Mounts/ DA Transfer Case Brace/Pump Rub/ Dirty Hooker Steering Brace/ DHD Hybrid Water Pump/ 3" Drop Shackles/ Belltech Shocks/ Autometer Cobalts EGT&Boost/Edge CTS/ Rare Parts Extreme Tie Rods/ PCV Re-routed/ FPRV Shimmed/Red Head Steering Gearbox/ Tailgate EZ-Down/ 12K Badlands Winch (removable) The noise kinda like crickets/ electrical buzzing not making good contact is how I like to describe it. If I accelerate hard, it will actually go Right there with you brother, my 2004 DMax 184k miles, I'm looking at a rebuild for the transmission and transfer case. It's got a grinding noise in it. com. 6. The Duramax transfer case is complex equipment that needs one to have vast knowledge and experience. 5 LB7 Duramax Powertrain I believe its a common deal with these transmissions and transfer cases,, My trans clunks when I corner, get off the throttle and make the turn then get back on the throttle i try to drive like I have an egg on the accelerator because it will clunk a very hollow clunk. It makes the noise in 2 & 4 wheel drive. A Leak of Transmission Fluid into the Transfer Case. Save Share Reply Quote Like. I bought a 2004 gmc 2500 with a duramax and after I got off work the other day I went to the Marine Corp Game Warden to get my beach pass. 6L V8 diesel trucks with this brand new one from Merchant Automotive - No core charge! Our cases maintain use of OE quality magnesium construction and are paired with our pump upgrade kit for unmatched strength, reliability and longevity. I have replaced the front actuator, and the transfer case shift motor. 06-07 LBZ & LLY Duramax Powertrain About 2 weeks ago I changed the transfer case fluid and that kind of coincides with this issue. So when in reverse it let the planetary gears slide on the shaft, rubbing against the pump, but at just the right spot caused the planetary gears to bind up! 2003 Silverado 2500hd 6. 6L Duramax LBZ / Allison trans / manual T-case with Riverside Gear pump-rub-elimination upgrade / coolant bypass • If the noise has been verified to be from the transfer case, refer to the Service Procedure below. Jump to Latest 2K views 2 replies 3 participants last post by Busa Dave Jan 7, 2021. I came to the conclusion it is the encoder motor. yeah there was two holes in the transfer case i plugged one there was one plugged already so Chevy / GMC Duramax 07. to/3bZiOeD A stretched transfer case chain can be measured in a number of ways, You c This condition may be caused by normal transfer case clutch plate break in and wear, creating excess contaminants in the fluid. I have owned my 2500HD 4X4 06 LBZ for two years now. Transfer Case Get New 261XHD Transfer Case, LB7 LLY LBZ 2001-2007, Duramax at Dans Diesel Dealer Login Account. 72. 5 pdi injectors, stage 3 pdi cam, stage 1 tuning,stage 3 turbo, ending hp 850 to the ground! Id rather be dead then CUMMINS RED! Trucks & Trailers - Chevy 2500HD Intermittant gear grinding sound when decellerating - 2004 Chevy 2500HD, 6. 2013 Chevrolet 2500HD LTZ Z71 A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. 2016 GMC - SLT 3500 single wheel Double cab 4x4 stock Duramax SLT 3500 Dually Crew Cab 4X4 stock Duramax Dually member #889 Sold 1999 Within a month I started hearing grinding noise and now its like marbles rolling around in there. for diagnostic info. 2013 Silverado 2500HD LML CCSB 4x4 LTZ Trim EFI Tunes by Kory, ADII 165 Lift Pump, Edge 06 LBZ with 5 inch magnaflow exhaust,Bd exhaust manifold, Bully dog outlook, Fass 150, EFI by Rob, SC4 TC1056, transfer case brace, hid 8k on highs and lows My iron is yellow Current project-389 pete glider C-16 Stage 2. 6L Duramax (L5P) Crew Cab 4x4 SRW SB High Country w Our 2003 2500HD crew long bed lb7 duramax/allison w 190k mi started making a barely perceptible tiny sound like a tin can being dragged after 1200 mile trip towing about 6000 lbs. I finished installed the drive shaft with the new nickel plated slip yoke and filled the transfer case with oil (or so I think) this evening. We run 7 duramax's on our farm, and 5 were used when bought out of the 7. 04 silverado 2500 hd crewcab 4x4 lb7 FASS platnum lift pump, Nicktane adapter running cat filter, air Im worried about this, I really hope I don't have to rebuild my transfer case. The transfer case was used btw. taselec Discussion starter · Dec 4 Transfer case problems. i have a 1995 gmc sierra 4×4 when in 2 hi and step on the gas or hit a bump i get a bad noise sounds like transfer case chain slipping . Shipping Trucks, Trailers and Transportation - 01-07 duramax junk transfer case design - Last week a customer brought a 04 duramax into my shop for noise coming from the T-case. 6L Duramax Transfer Case Pump Upgrade Kit With Fluid by Merchant, part number: 10057. Save Share Like. but when i put it in 4 hi the noise goes away. The humming noise is most likely Transfer case chain noise. Version 3 Modified Released September 19, 2019 Changed the transfer case fluid and it wasn't bad in color (darkish red with slight metallic color) and no chunks I could see. A low speed grinding noise is most commonly caused by the rear output bearing snap ring not being fully seated causing the bearing to move out of proper alignment. It sounds like its coming from my transfer case. Jump to Latest TRANSFER CASE!!!!! check for leak, if none, your lucky, remove tcase, replace stock anti-vibration clip with updated part, I got mine at border parts in spring valley ca. It may also cause vibration, making driving Chevy / GMC Duramax 01-04. One of the many - noise happened with kit shocks AND the FOX shocks i have now you are talking about the driveshaft coming from the transfer case? mine came apart at the Texas line and burned up clutches in the transfer case Sent through the Turbo of my Duramax . Noise immediately went away when I gave it some The LMM Duramax trucks came equipped from the factory with either a Magna Powertrain MP 1226 transfer case or MP 1626 transfer case. I noticed a noise under the truck, climb under and could push up and down on the drive shaft at the transfer case and had movement. $44. com/@gentekperformanceMerchhttps://www. It starts at 20 mph and get louder to 40, at that point it gets drowned out with the road noise. 01-07 GM 6. Also do the 01 to 07 use the same transfer case. The transfer case in a 4-wheel drive system is responsible for transferring power to If you are wanting to completely refresh your transfer case after any kind of no fluid situation like a pump rub leak or seal leak this is the kit for you. As I would push up, I could hear a "tap" Here are the frequently reported problems associated with a Duramax transfer case. The Yellowtail Build - Page 131 - JeepForum. Either way if the case is ran low on fluid the Front output shaft bearing is probably making the Hey all, I performed the pump rub fix on my '03 Chevy 2500HD 4x4, Extended Cab Short Bed, Duramax this weekend. Chevy and GMC Duramax Diesel Forum. 50/18 Nitto Trail Grapplers, 18 OK, Im new to the duramax forum and Im new to the Duramax but heres my question. A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Got out to see what i smashed into and nothing was there. Service Procedure 1. 1L and Allison Transmission- Bulldog Tough OEM Quality Replacement Unit From The Gear Shop: Transfer Case Components - Amazon. 2016 GMC - SLT 3500 single wheel Double cab 4x4 stock Duramax SLT 3500 Dually Crew Cab 4X4 stock Duramax Dually member #889 Sold 1999 - noise happened with kit shocks AND the FOX shocks i have now you are talking about the driveshaft coming from the transfer case? mine came apart at the Texas line and burned up clutches in the transfer case Sent through the Turbo of my Duramax . Something like the hi/lo shift fork spring is broke, shift fork wear pads are wore out or hi/lo planetary gear thrust washer has excessive wear. my transfer case is driving me crazy!!! the transfer case gear shift is always making noise, ive tried the sticking a glove on it and that dosnt help, and also going down the hwy its always loud! I have replaced the 4 wheel drive actuator motor in the transfer case. How much fluid came out with the initial drain of the t-case? If you already had a noise or whine from it, likely the damage is done and you just bandaided it until the hard parts My transfer case has started making a horrible grinding noise. Transfer case actuator replacement: If the transfer case has difficulty shifting into the 4WD mode, replacing the actuator or Once the transfer case noise is confirmed, refer toTransfer Case Fluid Replacement in SI. --2008 2500 CCSB LTZ LMM Dark Cherry Metallic I have only owned this truck for about 30 days, and bought the truck being aware of this problem. Assembling 263 XHD Transfer Case. , Prop Shf Slip (with u-joint) , Nickel Old fluids get too dirty and are unable to lubricate the components. Yup that is a common problem with the Duramax transfer cases. Using planetary gears along with a chain and sprockets the My driveshaft was still tight and I didn't have ay noise, but now the fit to the transfer case is better . Jaysbay. First time it sounded like a manual transmission grinding gears. merchant-automotive. The buttons still switch to whatever you pushed, noise comes from both front and Chevy / GMC Duramax 01-04. If you get significantly less than two quarts you probably have pub rub and a hole in the rear section on t-case on it's probably a 263 xhd if it's a duramax 4x4. Add to Wish List. There is a certain amount of slack per spec, it An audible noise from the A16 Transfer Case Motor should occur, indicating a successful learn procedure. 2011 Chevy Silverado 3500HD LTZ CCLB LML SRW 4X4 Blue Granite Metallic. Does the noise come from the front or the middle of the truck? Could be your t-case, or front diff. Save Share 2002 Chevy Silverado 2500HD ECSB Duramax ZF-6 "Brotherhood of Handshakers #167" 4" Straight Pipe, K&N Cold air, PPE Boost Valve, Intake Horn Mod, PPE-Lvl 5, EFI Live-Still tinkering, SBC Single disk, Autometer Z-Series Boost Transmission mounts and transfer case mounts seem to be in OKAY condition. Check and make sure its grounding good. c. After one of the events, my 2500HD Duramax started making a clicking noise mainly in reverse. If you haven’t changed the transfer case fluid, the humming noise may be the main reason. how to test tcm duramax The only thing I can think of it is the transfer case. 2005 4x4 Silverado Z71 with 140k miles and a New Process Gear 246GM Transfer Case. U-joint has no heat at all compared to the differential housing. Is to take out the cvs and the drive shaft running from Transfer case to front axle if the noise goes away it's in the front axle. The transfer case is located almost at the center of your car, behind the transmission or at the back of A few days ago the transfer case was leaking. Now IF you are shifting the transfer case while the transmission is in GEAR, that makes it grind because your engine is still trying to drive the input shaft to the transfer case and you are shoving it in gear. However truck had the issue before the T-case was pulled. As I 4WD issues/ Transfer case noise. but I also didn't buy the two GMC Duramax's that I was The new transfer cases have not been a problem. Second time it felt like i hit something behind me. G. glowshift gauges. I am getting a loud roaring noise and vibration at 45 -50 MPH then again at 65-70 MPH under load. Duramax 6. 5 LB7 Duramax Powertrain Transfer case noise. The rear diff. If so, you have issues, and you need to pull the transfer It sounds and feels like the chain is skipping a tooth on every revolution. Iiimmediately pulled over and stopped. 5 LB7 Forums. 0 lbs. I can take the front driveshaft out and it doesn't make the noise in or out of 4 wheel drive. I found an old thread If I tap the accelerator the grinding stops, and I noticed today, after putting in a new transmission mount, that when I hit my brakes, I feel a slight pop, and the transfer case My truck is making a noise like a bad u joint at slow speeds, but sometimes it does it just sitting in drive without moving. The front drive shaft "pauses" when you force the left wheel to turn and then jumps back to spinning which is making the "pop". Replace a 263XHD electronic shift four-wheel drive transfer case found in 2001 to 2007 GM Duramax 6. . The bearing that's in Sometimes I hear this noise, as if something is spinning really fast, then slows down and it kinda makes a squealing noise. In New Venture/New Process/Magna transfer cases, the chain is not like a motorcycle or bike chain. Jump to Latest I have noticed my transfer case grinding while I put the truck into High 4wd. L, auto, 4WD, 52K miles. Transfer cases are extremely fine-tuned devices, meaning only a professional that knows what he is doing should be executing repairs. 2006 Chevy 2500 4dr 4x4 duramax 5" diamond Chevy / GMC Duramax 06-07 LBZ & LLY Forums. I There are some common problems with the transfer case in GM trucks and SUVs. Got approval to rxr I have a 2004 chevy 2500 hd and when I engage 4x4 theres a popping noise coming from transfer case area. com tow tune w/turbo brake PPE Dual Fueler (P0087 cure) Kitty on a "warm shelf", K+N Drop-in filter Amsoil in all places, Amsoil BMK-27 Bypass KYB shocks (stock sucked) Autometer Boost/Pyro gauges/Edge CTS EGR blocker and (Kennedy) finger stick Merchant remanufactured transfer case 748,000 Kennedy lift pump, reserve tank with transfer Went to use my 4wd today and going up a hill at our farm it started popping got home. Duramax 2001-2007. I then lifted it and checked the wheel bearings and they have no play side to side or up and down. : 19-NA-136 Parts Information Causal Part Description Part Number Qty N/A Fluid 88865601 (in Canada 19367328) 1. Part Number Description Usage 12477702 Yoke Asm. I also had the tail seal on the transfer case replaced, but the sound is coming I had the transfer case replaced about 3 months ago an about a month ago I was in for an oil change an he said the transfer case oil needed to b changed as well. One of the many Chevy / GMC Duramax 07. If it is from the the Transfer case it is normally a symptom of a bad lo/hi clutch component. instagram. 5-10 LMM Duramax Powertrain weird popping clunk noise. It defenately sounds like it's coming from new chain in the transfer new u bolts on the axle spring should the yoke on the rear move by pushing the truck truck runs great, new jasper trans 3 years ago, going strong for 80,000, amsoil through out, just this noise in my drive line has me ready to sell, before i spend to much more , any help would be much appreciated david Okay lads, got a new noise that I cannot identify. called t. I am at 22,500 miles, and planning to change all drivetrain fluids. The transmission had an 1/8" extra on the dip stick that i drained out. It sounds almost like a tire rubbing the fender but I know it's not. 5 LMM 2500HD 4x4 Duramax/Allison crew cab long bed LT. , Prop Shf Slip (with u-joint) , Nickel Noticed a rather loud ticking noise coming from underneath of truck when I accelerate. Maybe you can find the part number for the replacement rear case half that was installed??? Pictures might also help. 2009 Chevy Duramax LTZ 10" Rize Industries lift on 38" Trail Grapplers EFI Live tuned by Idaho Rob w/DSP5 4" Straight Pipe Dad put the truck in gear and I was able to hear and feel the noise from the transfer case. Yes everything I was mentioning is in the transfer case. What I'm looking for are some detailed assembly All finished units are thoroughly spin tested for shiftability and noise. Now the truck has a whining sound really noticeable between 40-50 mph when you take your foot off of throttle. Noise immediately went away when I gave it some Transfer Case LB7 Duramax 261XHD 263XHD Once you follow the above link click on either the 261XHD(manual floor shift) or 263XHD(push button) picture . It's simply stronger and smoother. Fixed that. - That's nice. I’ll see if I can check the oil later tonight an get back to u on that. And no leaks anywhere. Put in a new transfer case ( I need to call around for prices) 3. THATS not the real issue (or is it?). I am going to get a transfer case to swap it with and crack the old one open to see what the hell is wrong inside but wont be able to look inside until i get another case Did my test drive and about 1/8 mile I heard a nasty ticking noise, like a driveshaft issue. Recently I noticed a clunk noise somewhere in the undercarriage Remove your drain plug and see if you get any fluid. 6L Duramax Diesel DSP5 EFI Live Tuning From Kory Willis PPE Boost Valve Leveling Kit Check the fuild in the transfer case. I've had the rear diff flushed, the transfer case flushed. The transmission shifts normally as it should and doesn't skip a beat - temps stay below 200 even when its 100 degrees out. it was a few Im happy because they replaced my injectors free of charge, but they are telling me that the grinding noise im hearing is normal. I guess the data tag is missing. Basically, only when the transfer case is in 4 low, it drives around just fine, but when I stop and put it in park, it makes a loud grinding noise, (As if I was still rolling and put it in park, but truck is stopped). 48 posts 01-04. Chevy / GMC Duramax 06-07 LBZ & LLY Forums. I'm sure the u joints, slip yoke and the rest of the drive line get moved around Noise go away or is it still there? I tried what many others have done and put 5w30 synth motor oil in my tcase and the noise was gone for 3 weeks. I pulled forward to try and pinpoint the noise and it was gone. To me it does sound like the U-joints to me, crawl under the truck an hold the end of where the shaft connects to the Chevy / GMC Duramax 2017+ L5P Forums. li noise in transfer case or rear end. It comes from tranny/ transfer area but can't pin point it by the time I get stopped and the door open the noise is usually gone. 6L|Transfer Case; Shipping Information. Its out of commission till I get it figured but if it is the transfer case 1. 6 Technical. Looked at the carrier bearing and the front shaft was coming out of the transfer case about an inch and trying to slide itself on the rear driveshaft more, which put a lot of pressure on the rubber/bearing. It is inherent in the fact that the different parts of the chain move at different speeds when engaged with the sprockets then they do when (GM Transfer Case Models 136, 146, 246, 261HD, 263HD, 263XHD, 261XHD) 2006 2500HD Duramax LBZ with Allison 6 Speed Allison Transgo Jr/Deep Pan/Filter Lock PullRite SuperGlide 5th Wheel If it is bad enough it 2008 GMC Sierra 2500 duramax If the truck is cold and I go to drive off it has what can only be described as a fan/roaring noise and gets louder as you accelerate. Merchant Automotive 10186 Transmission Rear Housing Support NOTE: This upgrade kit MAY NOT BE COMPATIBLE with some aftermarket aluminum rear transfer case halves due to the inconsistent manufacturing tolerances seen in them, verify correct fitment prior to installation. 8M posts 219K members Engine noise gets noticeably louder at constant speeds of 80mph (2500 rpms)or higher. Come join the discussion about duramax engines, performance, builds, modifications, classifieds, troubleshooting, maintenance, and more! If the vibration is all in feel and not making any substantial noise, ide fill the t-case back up, test drive and determine whether its the t-case or driveline. I hear a grinding noise at low speed after reassembling my transfer case. I installed new front driveline U-Joints during this process. First I thought it was coming from the driveshaft or the front/rear diff, but wasn't sure. Alright, 93 w250 cummins. Some customers may comment on a clunk, bump or squawk noise when the vehicle comes to a stop or when accelerating from a complete stop. We pulled the drain plug,no oil. I`ve seen a few transfer cases loose thrust washers from the planetaries and it will make a load pop noise when in 4X4. , edge insite cts. 2015 GMC 3500HD SWR got a grinding type noise coming from either the rear end or transfer case can't pin point it. Could it be the dreaded pump rub issue? I tear out the transfer Our 2003 2500HD crew long bed lb7 duramax/allison w 190k mi started making a barely perceptible tiny sound like a tin can being dragged after 1200 mile trip towing about 6000 lbs. nqf transfer case. got to tear it down for an inspection . If the U-Joints look like they have rust coming out of This is for Cummins equipped 4X4, but I would suspect the most mechanical 4X4 transfer cases are pretty much the same. Bed rug; Bakflip folding bed cover. Now, my question is could the transfer case cause my other two wheel drive problem also since the rear drive shaft is still driven off of it? I have a 2004 chevy 2500 hd and when I engage 4x4 theres a popping noise coming from transfer case area. Is it really loud or just mildly annoying? Of if it was really cold you could have some frozen/sluggish T-case fluid stuck between the clutches, but the noise would go away if it warmed up. grinding noise. Because a weird noise or a fluid leak is usually the first symptom of problems with the transfer case. Transfer Case noise 263xhd. Good with minimal fine metal Chevy / GMC Duramax 01-04. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance . com was founded in 2006 and created a site which houses some of the best known Duramax tech you can find. I have a hole on the passenger side of my t-case a little smaller than a 1/4 inch. I Took the rear drive shaft off and no play in the ujoints and Noise go away or is it still there? I tried what many others have done and put 5w30 synth motor oil in my tcase and the noise was gone for 3 weeks. lol most hellacious noise I've heard from underneath a truck m/forum/01-04-5-lb7-duramax-powertrain Noise in my transfer case. ryansdieselservi I have a 2003 lb7 with almost 150,000 on it and my buddy thinks my transfer case is going on it doesn't make the noise if i have a load on it but i does if i am just driving around. Dropping into neutral under Acceleration or Deceleration could still be from the Transfer case. No noise nothing. sounds like transfer case. I have talked to a couple of people and searched some forums. It still leaked according to him. www. How much does it cost to rebuild vs a pull out from a wreck? The salvage yard I got the trans from quoted me 1200 plus 25$ core plus tax. The LBZ Duramax trucks came equipped from the factory with either a New Process NP261 transfer case or NP263 transfer case (also known as a New Venture NV261 / NV263 or GM 261XHD / GM 263XHD). E. 2 pints . Toggle navigation 815-977-5865 Mon - Fri 8:00 Shipped with MA Performance Transfer Case Oil: Promotes transfer case performance; Increases shifting performance; Dramatically reduces wear; A Transfer Case is a fundamental part of the 4-wheel drive system on your 2006-2007 Chevy Silverado or GMC Sierra 2500HD/3500HD. Tags 263 xhd 263xhd pump rub transfer case. The noise is the same whether going say 30 mph or between 70-80 mph. replace sprokets and gears, and bearings, and rear case half. It's got an edge over the Duramax, but let's take another look at the 2. I have just noticed a delayed clunking coming from underneath towards the rear ( I think) when I am backing up fairly slow then come to stop. and Sunday, while I was bouncing like crazy I did hear a real nasty clunk noise. Thirdly I agree that quieter parts elsewhere make for more noticeable noise from the transfer case / drive shaft / front axle. Thanks for any help or comments. Also, see if you can One of the most common signs of a bad transfer case is a distinct grinding noise when trying to use four-wheel drive. Jaysbay; Mar 28, 2024; Replies 16 Views 427. Its much wider and has 12+ links on a single pin. On engine start up, the transfer case control module will attempt to perform a relearn, and if the condition that caused the C0387 to set is still current and the encoder motor cannot move in the direction or amount desired by the transfer case control module during the relearn process, the transfer case control module will flag a C0569 instead Zumbrota NP261 Transfer Case for the 2001-2007 GM Duramax 6. A Transfer Case is a fundamental part of the 4WD drive system on your 2001-2004 Chevy Silverado or GMC Sierra 2500HD/3500HD. It doesn't make the noise in park only in drive when your coasting to stay a stop sign and the truck is cold. Holiday Hours: Closed Thanksgiving & Black Friday, closing at 12 PM on Dec. K. Submit. xovgbgnkjkhovuxcxttmobmtbunhbxgvmswfkegbsssiajstvfcebnu