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Duramax clunk when accelerating

duramax clunk when accelerating When one of my hubs was going out, I would here a slight metallic clunk without brakes applied and went over a small bump in the road. When we test drove it today--we heard a clunk/pop noise upon acceleration. Drive forward and listen for the clunking noise. 2,510 Posts. I bought the truck at 178k, now at 193k. May 29, 2018 · 2018 Big Horn. Is it likely to be caused by a lose chain? I'm confised by this 20-30 mm of slack idea as it's very lose when on the sidestand, but totally tight when I sit on the bike and move it aginast When i start from a stop and accelerate moderately to hard is when the clunking happenes. I can shift from 1-2 nice and smooth during acceleration, but when I start to let off the throttle and it shifts to 3rd it lags a bit and thuds like the transmission is slipping. 2005 Forester L. It doesn't happen every single time, but enough to where I Sep 13, 2015 · Joined Aug 29, 2015. I did notice this when I test drove the truck, but didn't really think anything of it. Is it likely to be caused by a lose chain? I'm confised by this 20-30 mm of slack idea as it's very lose when on the sidestand, but totally tight when I sit on the bike and move it aginast Oct 08, 2013 · Check all mountings to the engine, trans and cross member to make sure they are not loose. Apr 28, 2020 · Clunk when accelerating or decelerating. I can feel it in my feet as something tapping slightly. Don. Engines have many moving parts and joints between connecting rods or bearings. May 24, 2021 · Duramax Jun 28, 2021 (both accelerating and braking) for a while. Jan 23, 2020 · Hello everyone! Just purchased a new 2019 Frontier SV Midnight Edition and has around 300 miles. Rear end did have a lot of wear and was replaced 5 months ago. Jun 30, 2016 · I get a loud clunk when i accelerate or lift off every time i change gear or slow down i have changed driveshafts and checked springs i am thinking its the dmf as it does rattle when i rev the engine and the revs drop off. #8. Its kind of like a clunk, but immediatlly Feb 02, 2009 · 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. Seems to clunk multiple times when both accelerating and stopping. 10's 250K miles, new to me, pretty clean and stock. I've searched in a lot of forums trying to find an answer for my scenario. this can be caused by a slip in the rear propshaft. I haven't been able to make it when the car isn't in gear. It only does it once when initially placing in or out of gear or sometimes I can hear it if accelerating over a bump. I know it is not the drive shaft. It makes a clunk noise when I accelerate from a stop. Aug 11, 2014 · While coasting (typically above 40mph), if I accelerate hard there is a very noticeable thump then the car accelerates as normal. Still have clunk, in fact it is getting worse. 8 Posts. Mar 03, 2007 · Discussion Starter · #1 · Mar 3, 2007. put back in 2wd and seemed to be working fine. , and it all seems good under there (apart from a rusty looking exhaust). Apr 10, 2018 · Truck is a 2006 2500HD with the LBZ Duramax. Joined Sep 19, 2011 · 65 Posts . For background, '13 GTS with 17k miles on it. Fixing the steering clunk on my 2005 Silverado 2500HD Duramax. Clunking noise when turning. Road test the vehicle under light throttle acceleration at 55-65 mph (88-104 km/h) during steady state driving when the transmission is not actively shifting gears and monitor the following GDS2 parameters. May 25, 2010 · I have a metal clunk/knock sound upon moderate acceleration. It's just characteristic drive line slack between the transmission & rear end gears. Discussion Starter · #1 · Oct Feb 29, 2016 · If I get off throttle, and then ease back in it, it's smooth. Problems With The Engine. Had a neighbor crank it while I watched underneath. I’m getting a clunk sound from the front end when I accelerate from a complete stop. I guess I will call it a clunk. Dec 27, 2019 · 41 Posts. Sounds a little like a relay. Its a single knock when letting off the gas or when punching the gas. Joined Oct 13, 2009 · 21 Posts . 2001 duramax i was hearing clunking noises and thumps whenever i had it on 4 wheel drive. Discussion Starter · #1 · Feb 8, 2019. May 01, 2016 · The pins that connect the links of the Silent Chain wear which causes the chain to be longer. First trip to dealer was told it was a problem with the rear end,,,Cost me over $1000 did not fix the problem,,,Next trip they said it was the slip yoke,,and maybe it was not Apr 30, 2020 · Front Suspension Rattle at Slow Speeds. 0TT, but I would prefer the 2. Discussion Starter · #1 · 1 mo ago. Most of the time you don't notice it, but you will get the clunk in certain sceinario's. want to learn how to fix nhtsa #10037544? Jun 12, 2019 · I also talked to my dealer yesterday about ordering my next 2020HD Denali Duramax. Okay this is my suggestion when dealing with GM. Then when I get on the gas from a stop, I feel a clunk again. I checked the phase on the rear shaft, it's good, assuming the ears on the front and rear are in line with each other is how is suppose to be. The only way it would rattle is if the bearings are completely out of the carrier which would mean that the cv is destroyed internally. Nov 23, 2019 · Clunk/popping noise upon acceleration. Nov 07, 2018 · I have a 2016 Sahara and it's been making a clunking noise in the rear end (I think the drivers side). This sound is not only disturbing to the ears but also has a destructive effect on the engine and its internal parts. 0T in a Nov 11, 2010 · General F150 Discussion - Clunking noise when accelerating from low speed - I am experiencing a clunk when I accelerate from low speeds. Discussion Starter · #1 · Oct 18, 2012. For several weeks I have been tormented by multiple loud clunks/pops from the left front of my 96 F250 2WD -- most prominent when making a sharp low speed left turn up an incline or over small bumps. T. Replaced Upper and Lower A-ArmsReplaced Ball jointsReplaced Tie Rods (DMAX HD Rods)Replaced Pitman and Id Feb 20, 2010 · Quite often when accelerating from a stop (usually fairly slow - I don't pound it), there seems to be a very slight delay and a bit of a "clunk" from the drive line. If it clunks under hard acceleration in four wheel drive going straight ahead it could be a stretched transfer case chain. 2. This can be caused by a host of reasons and is the most common cause of clunking sounds emanating from the front of your 4-wheel drive. Truck is a 2019 and under warrenty with of course a deductible I will first take it to "the boys" and see what they say, will report Oct 07, 2011 · 9 Posts. The mods I see affecting this are 1" MML and the jeep medic skids. Engage 4H, then listen for the clunk again. I have an 800 and it never made that kind of noise. When the "clunking" initially started, the tires showed no cupping so this re If I try to accelerate at anything other than a snails pace in first or second the bike makes a loud clunking noise and it feels like the chain is skipping. I have done some googling and believe it may be axle wr Jul 19, 2016 · 65 Posts. I’ve searched others threads but really didn’t find anything similar to my experience especially it being brand new. I've got a 2008 Escalade with no known issues. May 31, 2018 · Ok so the clunk was probably a spring slap, not great but I can live with that because it only happens in a specific set of circumstances. Nov 24, 2017 · 2 Posts. 0L, Here is the “clunking” noise I hear> 1) If I am driving up hill, and want to speed up, I punch the gas and get a big clunk almost as if the entire underneath is “loose” 2) I will be at a stop in say heavy traffic, let off brake, little or no acceleration and hard “clunk” upon first shift? Jan 07, 2011 · My 2003, 2500 silverado duramax has clunking noise in the rear end when braking. its a 1997 explorer limited AWD. Not a barely stop. When upshifting from 2nd to 3rd or downshifting from 3rd to 2nd, the 4L60E transmission may clunk. I have the clunk, worse when hot, nonexistent when cool enough. 2004 Durango SLT Hemi AWD "The Flame Red Rocket. Any ideas? Sounds like Maybe transfer case. I drove a 2004 330i 6-speed that has a clunk when accelerating or lifting off. Jul 30, 2019 · Clunk when accelerating and letting off the gas. Think it is a little worse on turns. Plan to take the car to the shop later this week. I just spent 2 hrs, checking the rear suspension. Bottom line, nature of the beast on high performance cars. If I push in the clutch and just turn the wheel there is no noise. When I get to a stop, I feel a jerk or clunk. Depends on the type of clunk but from your description it’s worth checking: 1. Cause A slip/stick condition between the transfer case output shaft and the driveshaft slip yoke may cause this condition. Sep 18, 2017 · 2005 OBW with King Springs, 00-04 struts/shocks all around, new control arms in the front, and new sway bar links, all of which were installed a year ago. Engine. This is an older thread, you may not receive a response, and could be reviving an old thread. I have taken it to the dealership several times now and they say they can't duplicate the Jan 21, 2016 · Yes, the mount should be replaced. i can drive the car very easy and not have it pop but if it is in first or second and i mat it it will start to pop and wont stop until i let off the gas some. After the single clunk it doesn't do it any more while moving. Dec 22, 2007 · Under hard acceleration, axle wrap can cause clunks and wheel hop, but shouldn't cause noises under mild acceleration. Once the wheels are moving at sufficient speed the ABS and TCS do a self-test to make sure they're functioning correctly. Rearend seemes tight ujoints seem good and tight, going from forward to revirse seems tight. Driveline slack is mostly it. I had a clunk in my driveline they called normal and now sometimes on a downshift it has a bang so bad the entire truck shakes. 3. 180 Posts. It does sound like a trans issue since the drive line is unloaded before you hear the clunk. both half shafts have been replaced within the last couple years. 2L Diesel Engine Suspension & Steering - 2001 - 2010 Recommended Communities AVS Forum May 27, 2011 · I have an '05 duramax. It sounds like something is just shifting forward and backward under acceleration. A rattle or creak noise at slow speeds over bumps or broken pavement on some 2013-2016 Acadia; 2013-2017 Enclave, Traverse; and 2017 Acadia Limited models may be originating from the front lower control arm front bushing. Re: Duramax "jerk" when stopping/accelerating [ Re: dk2429 ] #12807550 06/27/18 04:21 PM Apr 17, 2016 · Some customers may comment on a clunk or thump noise coming from the front suspension while driving over rough road surfaces. #11 · Feb 3, 2014. Popping/clunk sound comes from front of car when decelerating (manual 6 speed trans), specifically after downshift and clutch engagement. Fingers crossed at 124K and counting, no exhaust issues in the 11 years Ihave had it. #3. Nov 04, 2010 · Discussion Starter · #1 · Nov 4, 2010. Your transmission is necessary in order for your car to operate correctly, and if you start to hear it make a clunking noise, you have good reason to become concerned. If you are suffering from this sound, my sympathies. It's almost as if there might be slack in the driveshaft somewhere. Reply my clunk is at first acceleration, and 1-2 shifts hard, also clunks braking coming to complete stop, or at the light i can let off Sep 01, 2017 · It has a loud bang that comes from the rear shifter or possibly transmission then you place in Low or High and first accelerate it is like metal on metal smack. 4WD. Common Issues When Transmission Makes Clunking Noise. Tesla has a new motor mount that is supposed to fix this but there has been speculation it doesn't work all that well and it's still being worked on. When its just starting it will usually go away after a few stops because it just burns off. Reinstalled transfer case along with new nickel plated yoke and front u joint. 130 Posts. 5 quarts that came out. The fix I hear is to retorque the ubolts and the spring shackles. V8. Mar 29, 2017 · I bought my 2016 EX w/ Sensing in December, and pretty shortly after I started to notice a clicking/clunking noise (1-3 clicks each time I press or depress the gas pedal) coming from the front end of the car when accelerating and decelerating at low speeds and low RPM. Jump to Latest Follow 1 - 10 of 10 Posts. Jun 14, 2020 · Our 2014 Grand Cherokee feels like something is causing a "bump" after you accelerate from a complete stop. 230 Posts. If I'm easy on the gas pedal is doesn't happen, or if it does it's much softer. Aug 27, 2021 · 2021 FX4 with Fox rear shocks. then it will not run over 2000 rpm in high gear, which is … read more May 11, 2015 · My 2014 is clunking when I let off the gas after accelerating. Please discard PIP4554G. Sometnes its when you get all the way stoped and other times its when you first start to take off after coming to complete stop. Had a Grand Caravan that made the 'clunk' sound. New member here. Jump to Latest Follow 1 - 20 of 21 Posts. My old '97 Dodge puts down 300 RWHP, and still had the original joints at 400k. #1. Say I am on a road coasting, when I press the gas I get the clunk. 2001 GMC yukon: clunk. , Duramax, crew cab Silverado. Feb 18, 2006 · The 2005 Chevrolet Silverado has 4 problems reported for loud clunk when accelerating from a stop. ) 2014 Billet Silver Dodge Charger R/T Hemi AWD (10/27/16 Dundee, MI. ) Jun 14, 2021 · Some 2020-2021 Silverado 2500HD/3500HD and Sierra 2500HD/3500HD models – equipped with the 6. Clunking rear axles are rather common, and not really a problem. Apr 11, 2005 · Feb 21, 2014. May 24, 2021 · An engine knocking while accelerating is a problem faced by many people in the course of driving. Some knocking noises are normal and should be of no concern at all, while other deep noises can be a sure sign of impending doom. Oct 20, 2009. 2wd. ceramic heat shield for driveshaft from S-tronic gearbox out of alignment and clonking on the engine as the engine block tilts slightly between load/no load. Shifts are fine on mine. January 21, 2016 at 8:04 am #849712. Feb 04, 2018 · Except for a now slightly more subtle than before but still noticeable clunk when speeding up and slowing down to a stop. Normal clunk into 1st and 2nd. Weight in the bed does not affect it (from nonr to 500+ lbs, no change). Trying to chase down this popping noise on my truck. It is a 2014 limited with 80k miles, If I am stopped and accelerate slow there is no noise. If i coast at 10-15mph, then give it some gas, the transmission will make a sudden hard jerk/clunk that can be both Apr 30, 2020 · It's a delayed clunk, maybe 1/2 second after accelerating or decelerating. This was replaced today. Let’s analyze in detail the causes that can lead to the Chevy Silverado making annoying noises when accelerating on the road. Happens as soon as I hit the gas but then stops. 1; 2; Next. I live in Phoenix so its always hot. Go. When I am stopped, then accelerate, there is a definite "clunk" sound from the front end of my truck. So after a thorough search, I'm trying to narrow this noise down and hoping a suspension guru will be able to help out. Jul 23, 2017 · That might explain the clunking noise when I accelerate at low speeds (when there is more force and momentum on the engine). The squeaky leaf springs, well, seems like alot of people have those, and I have seen a few solutions, I will probably just live with it. Nov 03, 2011 · 2006 Duramax Save Share. Average failure mileage is 26,000 miles. Re: Duramax "jerk" when stopping/accelerating [ Re: dk2429 ] #12807550 06/27/18 04:21 PM May 27, 2011 · I have an '05 duramax. If noise still occurs while in 2H, the transfer's clutch plate or the center axle might be warped. I recommend replacing both p Top 5 Reasons Why Chevy Silverado Clunking Noise When Accelerating. Sep 02, 2009 · I am hearing a clunking/knocking noise when I accelerate and decelerate, especially in lower gears. Not sure if that means a problem with the shaft, the u-joint or the diff. This has happened a handful of times over the last couple of days (I avoid doing it if I can). Jan 18, 2012 · Registered. It happens in every gear and I suspected the guibo. The causes of engine knocking sound may range from bad fuel, faulty spark plugs, or even dirty combustion chamber. It seems like it mainly does it when its cold out. Sep 13, 2017 · When accelerating from a stop I hear a sudden clunk and can feel it under my feet. 2L Diesel Engine Suspension & Steering - 2001 - 2010 Recommended Communities AVS Forum Mar 29, 2012 · A drum brake will make a clunking sound when they get grabby from contamination, either brake fluid or axle lube. Jan 15, 2018 · Got same clunk. May 04, 2016 · Upon initial test drive i never heard this sound, but after about a 15 - 20 minute drive home i heard this sound (which could be described as a pop/clunk/clicking sound, but it reminds me of a sound heard when something is binding). Tate S. Most of these reasons are not extremely serious and it’s definitely possible to fix them on our own. I was thinking it's the tranny mount, not sure what else it could be. The factory replacement is 3234057 and is $140-$200 depending on where you get one. 2L Diesel Engine Fuel System, Air, Exhaust & Emissions Upgrades Recommended Communities The Diesel Stop Jul 01, 2007 · My 2003, 2500 silverado duramax has clunking noise in the rear end when braking. It has to be a complete stop to accelerating. The u-joint is a component in the middle of your truck's drive shaft that allows the drive shaft to flex or rotate, which is based on rough pavement or suspension movement. Mar 25, 2020 · If I accelerate, then decelerate either by braking or engine braking, and accelerate again, there's the clunk. 1. shemick said: I have a 2007 escalade ext and I'm experiencing a clunk noise when I accelerate from a stop or even sometimes when slowing down it seems like it's only doing it on low speed not sure if it's tranny or drive axle I also noticed that when I slow down the Rpms bounce up and down not sure if this is Aug 29, 2011 · duramax. A California stop makes it clunk the loudest. Within seconds of acceleration "clunk". -Karl. , Prop Shf Slip (with u-joint) , Nickel Aug 11, 2014 · Aug 11, 2014. 6L Duramax diesel engine (RPO L5P), 10L1000 10-speed automatic transmission (RPO MGM, MGU) and the 2-speed transfer case RPO NQF (Electric Shift Cont, Two Speed Transfer Case) or NQH (Active, Two Speed, Switch Activated Transfer Case) – may have a transfer case noise, vibration and harness (NVH occurs when the vehicle is stationary or accelerating from a stop on some 4. My 2001 1500 silverado 4wd recently has started making a noise in the rear end when i accelerate from a complete stop. then it will not run over 2000 rpm in high gear, which is … read more Mar 10, 2016 · When I drained transfer case there was about 1. It was CLEARLY a clunk when the drive shaft fully engaged the u-joint. If the clunk occurs while in 4H, there are damaged gears that are not teething properly and the transfer case must be replaced. Also immediately noticeable when you let off the gas. It is most noticeable when going from a stop but I can also get it to happen when doing 20 or 30 and coasting and then getting somewhat heavy into the throttle. The axle housing is tight with the suspension. Rear end was rechecked and within tolerance. A diesel engine can ping, cling, clang and bang, and all the time you are wondering just what is acceptable and what is not. Sounds/feels almost as if the transmission shifts a bit. Loose u-joints cause a terrible clunk when you put your truck in reverse or drive, and are actually dangerous. Reply my clunk is at first acceleration, and 1-2 shifts hard, also clunks braking coming to complete stop, or at the light i can let off Jan 31, 2005 · Discussion Starter · #1 · Jan 31, 2005. there is a clunk noise and grinding coming from trans 2004 duramax 4x4, got a shift inhibitor message when in 4x4, kicked out of gear and shift pointer started flashing. Average repair cost is $1,600 at 51,450 miles. #4 · Oct 23, 2008. As you have done already, one would inspect the u-joints, inspect the ring/pinion/spider gears, inspect the motor and transmission mounts, and inspect the suspension and shock bushings. First, you should take the truck back and buy a different brand. An alternative diagnostic for TCC shudder is to road test the vehicle and monitor commanded and actual TCC slip speeds. 2013 crv ex. Upon acceleration again, after a stop - I hear the same thing. (Fig. #6 · Jun 2, 2016. Hey all, when I accelerate the 300 slowly through gears it makes a clunking sound until the band hits. The sound is only heard at initial acceleration from a stop and is only heard for maybe 1-2 seconds. A few months ago after a very rough dirt road, I started hearing a very loud clunk from the passenger side front end. Your best bet may be to have a qualified professional, such as one from YourMechanic, take a look at the car in person in order to diagnose and repair your acceleration issue. Most noticeable when initially putting it in gear and accelerating from a standstill. Joined Apr 28, 2020 May 26, 2012 · From a dead stop, I feel, and hear a clunk, from the rear, of the jeep, when I accelerate. Always after leaving a stop, always on moderate acceleration. . 1 - 6 of 6 Posts. May 18, 2018 · Hypnotoad. I had it up on my buddies hoist and checked for bad bushings, loose drivetrain, etc. JBX is your answer unless you wanna buy a whole new drive shaft. Like 08HLLTD said, others had their dealers take apart their driveshaft and lube the propeller shaft which supposedly fixed the clunk. The u-joints are pretty stout. May 29, 2016 · Joined Mar 6, 2014. Sep 30, 2010 · Hesitation/clunking when accelerating? Jump to Latest Follow 1 - 4 of 4 Posts. Discussion Starter · #1 · Dec 27, 2019. now when first taking off 1st or 2nd … May 31, 2018 · Ok so the clunk was probably a spring slap, not great but I can live with that because it only happens in a specific set of circumstances. I just would like your thoughts before i book it in as i dont want to spend 800 for nothing. Am having acceleration issues at 2000 rpm. 3L V8 (RPO L82, L83, L84) and 6. either front end or? and what - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. If I accelerate quickly then there is a clunk as soon as I hit the gas. johnmesich · Registered. I don't think it is the stepper motor because there Nov 23, 2009 · Clunking When Accelerating from Stop. When gently accelerating from stop I get a rumbling feeling coming from the front end that almost feels like I ran over something. If I try to accelerate at anything other than a snails pace in first or second the bike makes a loud clunking noise and it feels like the chain is skipping. Get a second opinion on the trans. Remove the driveshaft -- mark the index location, clean and lube the spline and the yoke. It only happens the first time you hit a certain speed/distance after starting (in most cars it's 15-20mph or 200ft, whichever comes first). When the back wheels are rotated, the clunk seems to be between the crankshaft and Feb 01, 2014 · 12,892 Posts. Sep 19, 2016 · 17,806 Posts. Jul 10, 2017 · Discussion Starter · #1 · Jul 10, 2017. 98 Burb K25 4. Discussion Starter · #1 Dec 03, 2020 · If you have a bad slip yoke in your drive shaft, it can produce clunking noises in your vehicle. With the tires off the ground. 7 with the 5 speed manual. Discussion Starter · #1 · Nov 24, 2017. The harder I accelerate the harder the thump. Mine just started this infamous clunk (more of a thud) at about 1800 miles. These are Jun 24, 2018 · From Reddit. The thump does not occur at stops or shifting. The clunk sounds like it's coming from the area of the rear Jun 25, 2015 · Step 1 – Check your u-joints. When accelerating, there is a "clunk" coming from the front end (I think on the Driver's side). Looking for help. #6 · Jan 20, 2012. May 02, 2007 · GM 2500HD: I have the "clunk" problem when stopping and accelerating I have the "clunk" problem when stopping and accelerating from a stop with my 2001 2500HD, 2wd. mercedessource Tech help - Diesel Purge can help you isolate the noise Internal engine noises can be very difficult to diagnose. Jul 01, 2007 · My 2003, 2500 silverado duramax has clunking noise in the rear end when braking. Recently in the last couple days I think, I started hearing a quiet "clunk" type sound when I accelerate, decelerate, or stop accelerating. S-tronic being clumsy disengaging a gear. I have taken it to the dealership several times now and they say they can't duplicate the May 29, 2020 · Diagnosis with GDS2. low speed when begining to accelerate. Sep 19, 2021 · Registered. That being said, one of my fellow Gen 5 owners car was clunking real bad, especially when getting on throttle at almost any speed. 1 of 2 Go to page. Mar 30, 2012 · 2000 JGC, 4X4 4. 7T or a 3. Joined Apr 24, 2009. This is what is causing the loud popping noise. Jul 06, 2015 · The clunk will appear to come from the front, under your feet. When the tensioner can no longer keep the chain tight, the chain slips on the 19T sprocket. During my last 2 trips to the dealer I've had the following replaced: Replaced both sides lower ball/joint. I have looked under the jeep and no luck so far. clunking sound when accelerating 06-08-2012, 12:51 PM. It happens when im stopped then hit the gas, and i might give it 1/8 throttle of gas if that maybe 1/4 max. This has been going on for awhile and I had assumed it was one of the front half-shafts but now I'm not so sure. Jun 25, 2015 · Step 1 – Check your u-joints. The sound is coming from the left front wheel. Oct 26, 2009 · I have a '04 Duramax that hesitates while accelerating. AUTOMATIC. ·. I’ve read a bunch of post about the “gm clunk” but none exactly match mine. 6L V6. Feb 08, 2019 · 4 Posts. I usually run at 25-4000 rpm, and go all the way to redline if I am playing in the canyons. " ( 3/26/10 Cleveland, OH. This noise will typically occur when the front suspension is returning to the upward position after a hard downward stroke, such as after driving through a large rut or pothole. While coasting (typically above 40mph), if I accelerate hard there is a very noticeable thump then the car accelerates as normal. 1983 fj60 PS you guys are a Oct 18, 2012 · Joined Dec 8, 2008. I only hear the noise under heavy acceleration from stop or while rolling. Thanks in advance May 09, 2018 · May 11, 2018. And hopefully a CT5 premium luxury with a 2. I heard for the first time a few days ago however today I couldn't hear it at all. The problem is with the GM grease- drys out and gets sticky, when stopping, the rear axle moves forward a 1/4-- -1/2 inch, then when Jul 01, 2021 · Top 4 Reasons For Chevy Silverado Clunking Noise When Accelerating. now when first taking off 1st or 2nd … Nov 07, 2018 · I have a 2016 Sahara and it's been making a clunking noise in the rear end (I think the drivers side). So my 2011 AWD Hemi Crew (135,000 km's) has been having the "clunking" sound on acceleration from a dead stop issue for a while now. May 31, 2018. Oct 23, 2008 · Joined Jun 20, 2005. Just tonight I was driving home and in third gear at about 2500 rpms I hit the gas to move around another car and their was an audible clunk in the front. Jun 13, 2018 · Re: Clunk noise when accelerating. Happens more often when it's a jerky acceleration/decel. #18 · Nov 9, 2014. It doesn't happen every single time, but it happens very very often. Now it seems to happen all the time. That clunk-from-stop (not the big pack-disabling one) has been reported a few times in various threads. It happens infrequently and irregularly but always when accelerating. The problem has existed since we bought it, but it was infrequent. In TSB 01-07-30-042B (Jan 16, 2004) GM has stated that this is normal and no service is required. It's quite soft, and hard to tell if it's coming from the rear diff, or further forward. My truck is a 2017 Colorado, 3. *rm. I usually drive the truck in "Auto 4WD", so I'm not sure what it does in 2wd. I have a 2001 Outback H6 VDC, automatic transmission. If it is worth noting it is a 2014 Limited 4x4 with the towing package. No noticeable metal shavings. It sounds like the noise is coming from the dirveshaft or the rear end maybe. C. “As others have said, the first clunk is the ABS/TCS test. I asked the dealer about it during the first oil change. It's only 6 month old, still nice and tight. Replaced inner and outer tie/rod, and Oct 24, 2016 · The vehicle is a 2003 4Runner, V8, 4WD, with 93,000 miles. It also happens when driving after coasting. svtrapt0r said: So lately my truck has been making a clunk noise almost every time i accelerate. Apr 13, 2018 · I have a 15 Duramax and mine has a clunk when coming to a stop sometimes as well. When stopping it doesn't clunk until the rollback after a complete stop. It generally merits a drivetrain swap. I haven’t been able to see it but it’s def not the u joint. Mar 12, 2014 · 682 Posts. The affected engines can be found on 2014-2021 Silverado, Sierra; 2015-2021 Tahoe, Suburban, Dec 13, 2003 · when I accelerate at around to say 2,500 or 3,000 RPM or more in any gear and I quickly let off the gas(say in a parking lot) my car will make a clunk sound(it sounds really gheto but it is the best I can describe it) and kind of dive forward. Transmission fluid should be red in color not brown; check when hot and smell it; if it has a burnt smell that is indicative of internal problems; U- joints in the drive shafts (if you have them will also cause a clunk sound). Jun 22, 2013 · I don't know if this other symptom has anything to do with trans but when I accelerate from a stop after going about 10 feet there is a clunk almost like it has slop in rear end, but it never does it slowing down only from a complete stop. 1 of 2 Go to page Mar 15, 2014 · The noise sounds like a bad CV joint in a front wheel drive car, sort of a binding, popping, clunking noise. Jack it up and turn the wheel and see if you hear anything loose in the cv housing. I can't tell if the noise is coming from the left side (front or back) or from right under me while driving. If you have a 2 piece driveshaft, it may be the spline in the middle of the driveshaft. Aug 29, 2011 · duramax. We are looking at buying a 2008 pontiac g6 sedan. L. In the beginning of me hitting the gas it clunking 18spd. Used to drive me nuts. Doesn’t happen at all once I’m moving, at any speed. 2nd gear. I am having no suspension clunking over bumps etc but I can reproduce Sep 09, 2021 · When the 5. If I'm Why is there a clunking noise when I accelerate? The most likely causes would be low transmission fluid, a shift solenoid, transmission mounts, or a drive shaft. The temperature is the only variable that affects whether I have the clunk on stop. Bean Joined Mar 9, 2007 · 21 Posts 2002 CHEVROLET SILVERADO. All the control arm mounts are tight. As the truck rocks or when I turn the Dshaft back and forth manually I can hear and feel a clang or slop in the system somewhere, it almost feels like it is in the dshaft itself. At first i thought nothing of it, but now its just getting on my nerves. 2L V8 (RPO L86, L87, LT1, LT4) engines, the CH-51450 PicoScope can be used to help determine the root cause. If you didn't know better from inspecting the front suspension you would feel the truck was likely unsafe. Even though the road will be in fairly good condition. Only with breaking. When accelerating it clunks between the first 2 gears depending on how fast you hit the gas. It’s like a sharp metallic clang/clunk. On the other side of the front end, the same sound occurred so Jun 28, 2009 · There is a loud clunk when I turn left only when accelerating. the motor mount does sound like the problem. It also happens over small bumps and any road imperfection. It typically happens as soon as I start to accelerate after braking. . May 28, 2014 · May 28, 2014. ajbessinger · Registered. The first and obvious cause of a clunking sound when turning is a CV joint failure. After that, if the clunk is still there when accelerating and decelerating it can very often be a bad inner CV Joint. Once I hit 2000, regardless of the gear, it bogs down, loosing acceleration. I have a Volkswagen Golf VR6 2002 front wheel drive with 85,000 miles with 17" wheels that came with the car when I bought it. FWIW, even with a trans mount insert, you can get the clunk as well if the mount rubber itself is bad. They usually come apart at that point though. If I back off accelerator and cruise the truck will operate correctly. The clunk never exists on a light acceleration and is only intermittent on the sharp acceleration I described. Have had the transmission and rear end checked. my dad said it could be the chain in the May 01, 2013 · description: gm: when stopping or accelerating there may be a clunk noise and its as if the vehicle is bumped from behind. I am experiencing the same clunk/thud sensation. 15,900 MILES. I have 8 hours on it, and that clunking Sep 01, 2017 · It has a loud bang that comes from the rear shifter or possibly transmission then you place in Low or High and first accelerate it is like metal on metal smack. Participant. Here are the most common and probable reasons why your Chevy Silverado is making a loud and strange clunking noise when you try to accelerate it. Oct 16, 2007 · The 2004 Chevrolet Silverado has 3 problems reported for clunking noise when accelerating. 7L in my D was replaced under warranty around 39K, they apparently did it right. #3 · Oct 12, 2011. Oct 31, 2004 · clunk upon acceleration. Jump to Latest Follow 1 - 16 of 16 Posts. Aug 05, 2020 · Intermittently, I hear a clunking noise when I accelerate sharply from a full stop, example - foot on brake at a stop light, green light, hit the gas and there is a quick clunk. Sounds like its coming from drivers side. 5-2005 (LLY) 6. Roll the throttle off quickly and there is a clunk in the driveline. I can feel it and hear it. Our Jeep has about 50k miles on it. This may also occur when the vehicles are accelerating in a single gear and not necessarily switching gears. If I roll forward a bit then give it gas it won't do it. 5L Diesel Engine Duramax First Generation: 2001-2004 (LB7) Duramax Second Generation: 2004. Hi all. Sep 13, 2015 · Joined Aug 29, 2015. Does anyone know what the torque specs are? Aug 11, 2014 · While coasting (typically above 40mph), if I accelerate hard there is a very noticeable thump then the car accelerates as normal. #6. Also my rear end squeaks everytime Jan 07, 2011 · My 2003, 2500 silverado duramax has clunking noise in the rear end when braking. Noticed a slight knock/clunking over the weekend. 6, crew cab. Subject: Clunk Noise After Shifting From Reverse To Drive Or Drive To Reverse And Then Accelerating Models: 2007-2009 Cadillac SRX 2007-2011 Cadillac STS 2008-2012 Cadillac CTS 2010-2013 Chevrolet Camaro RWD only, equipped with 6L45 or 6L50 (RPO MYA, MYB) Automatic Transmission This PI was superseded to update model list. I have slowly gotten in the habbit of putting it in Apr 08, 2014 · Issue #1. I get a clunk in the rear end. Re thumping, it was a bad explanation on my part - it's definitely a clunk sound (metal contact) than thumping from the tires/axles. 3L V6 (RPO LV1, LV3), 5. One common trigger for major auto repairs is transmission problems. I think I remember this issue being brought up on this forum before, but can't remember where I saw it. If this sounds like you, it's the bearing carrier. Oct 9, 2013. Want Answer 0. Did not occur when brakes applied, when accelerating or when going around a bend until later. May 11, 2015 · Mine and I think the OP are talking about a clunk when you roll the throttle off or on. Jan 30, 2015 · Discussion Starter · #6 · Jan 31, 2015. It only happens once per shift in acceleration. cod45 · Registered. May 11, 2010 · Hi to all: I have an 02 Stratus R/T sedan 2. Sep 16, 2021 · Hey y’all I’m having an intermittent metallic clunk when accelerating or deceleration. When going faster, like 30 MPH and above, I can hear a very notice howl from the rear end, like whow whow whow whow. I thought it was loose u-bolts, but thats not the case. Lately I have been experiencing a loud clunk noise at times of acceleration and also when I release the gas pedal. Apr 19, 2019 · When a driver accelerates or decelerates, the cars will reportedly hesitate and then shudder, jerk, clunk or “hard shift” when the automatic transmission switches gears. Mar 10, 2016 · When I drained transfer case there was about 1. I checked the driveshaft. The clunking starts as I accelrate and dies away after 20-25. #5 · Sep 14, 2015. 10-31-2004, 06:01 PM. Nov 14, 2005 · 6. No loss of power, doesn't sound like anything is grinding. If I get off throttle, then get on it hard, you can get some clunk. Always unhook your battery before doing any work on your vehicle. Part Number Description Usage 12477702 Yoke Asm. tigga83. Jul 01, 2019 · As the title states, I have a pop/clunk noise when accelerating. does anyone know what it could be? Posted by deanne28 on Nov 23, 2009. Tristrex · Registered. Joined Oct 8, 2019. 7T but never a 2. Sounded like a bowling ball hitting the carpeted back of the trunk of a car. I've had a transmission clunk feeling/sound while trying to accelerate. It happens after hitting the break and then accelerating. #9 · Sep 19, 2016. Other Signs of a Bad Drive Shaft Aside from the potential noise you may be hearing when you're accelerating there are a handful of other potential side effects of a bad drive shaft as well. Jun 27, 2019 · Noises are so hard to describe. It only happens when I come to a complete stop. Apr 25, 2021 · First Name Steve Joined Mar 23, 2021 Messages 2,031 Reaction score 2,236 Location Bay Area, CA Vehicles 2014 Fusion Energi, 1979 Fire-Am, 1972 K/5 Blazer Oct 20, 2011 · clunk noise when accelerating . #5 · Jul 19, 2016. Jump to Latest Follow 1 - 20 of 23 Posts. It sounds like it's coming from just in front of the firewall, but when I look under there, everything is tight, nothing's out of place, tie rods aren't loose, motor mounts seem okay (not even sure if that's related, but could be) and I can't find any cracks or broken welds in the body. Like hitting two metal bars together. But if I come to a full stop and then start up again it can do it again, although not 100% of the time. Feb 28, 2008 · 6. Just noticed that every time I accelerate some what aggressive from a stop, I hear a single clunk noise coming from the engine area. I have had 2 new driveshafts installed and the clunk is worse than before. Got the car up on stands and there isn't any discernible deterioration in the guibo. 441 Posts. duramax clunk when accelerating

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