Rear End Clunk When Accelerating

It sounds like its suspension related at the rear end itself. The problem sounds like the rear end. Upon acceleration after coasting â€" very similar symptoms as back lash. The car is a constant AWD and it's a 4-speed tiptronic auto (we always have it in D though). At first it wont sound like much, and will only do it from a standing start. I saw a thread mentioning a rear diff bush but despite searching the forum, I don't seem to have been able to yield any results. Not much except that the two wheels, axles and side gears in the rear differential are turning at different speeds and the spider gears in the differential are turning much more than when going straight. As the modifiers are broken down over time the clutches tend to make excessive noise. Thump/Clunk noise right before complete stop was created by pugtor Ok, so as the title says, I have this thump/clunk sound (and I haven't met a mechanic yet who apparently knows what I mean when I say this) right before the car comes to that complete "stop". If I am able to stop verrry slowly, the rear end does not appear to clunk (or at least not as severely). Jeep Grand Cherokee Noise from differential - 76 reports. When I accelerate to enter the garage there is a loud clunk from the rear end and the anti-slip light flashes on the dash. It happens only occasionally, specifically when I start to brake, accelerate or sometimes when I let go of the gas. Ok guys - I have a 6. If I am in wet grass in 1st and a tire loses traction while accelerating, there is a loud clunk and a feel similar to chain jumping a tooth on a sprocket when the slipping tire catches traction. garage approximately 2 grand, nissan about 4 grand. Like slack in the rear end. I dropped off the X and got a call saying the rear end was shot and they ordered me a brand new one under the extended warranty. Rattle And/Or Clunk Noise From Rear Of The Vehicle Equipped With Load Leveling Suspension - 2011-2013 Jeep Grand Cherokee & Dodge Durango Leave A Comment Cancel reply Your email address will not be published. Getting a "clunk" sound from rear of truck when going over any sort of uneven road surface. You can feel it when the Jeep comes to a stop and when you start to accelerate from a dead stop. 01 PT cruiser makes clunking noise when going over bumps/dips? It seems to be coming from the rear driver's side. 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. Duckryder was pretty much on target with his suggestion too. It doesn't happen everytime, and I never hear it in the morning when I first get going. My friends 88 chevy has the same problem. It took a few trips, but in the end they got it: it was the strap that held on the fuel tank. Mar 18, 2011 Rating: Noise by: Corvette-web-central Corvettes don't have any U joints on the C6's. pop/clunk on acceleration and deceleration So after a thorough search, I'm trying to narrow this noise down and hoping a suspension guru will be able to help out. Happens more often when it's a jerky acceleration/decel. Is the noise while you are driving in reverse or just when you shift into reverse? I've owned a few g-bodies that 'clunk' when shifted. At speeds below 5 mph there is a ryhtmic clunk. One tech thought to be leaf spring bushings (the where basicly gone)no fix. Visual inspection doesn't always do justice to the problem, but it seems these particular rubber parts lasts for a decent amount of time. When it got loud enough where I went to the dealer, they said that it needed new rear shocks. The noise and the shake will stop as soon as I let off the gas then I'll accelerate it'll start up again randomly, but stop as soon as I let off the gas. No clue the rear end gears or anything. acceleration clunk? I have searched a little bit earlier and I am searching probably right now as you read this. This is a discussion on Rear End Clunk within the Drivetrain forums, part of the LSx Technical Help Section category; When Im driving i hear a slight whining noise from the rear and heard it clunk once turning out of. I've been told that the clunk when accelerating is slack in the drivetrain. There was a TSB for the 6's that addressed a clunk in the steering shaft upon acceleration while turning, and additional shaft play. It was coming from both sides at the rear. Bought the end of May. The first step to determining what is causing the sound is to isolate where the sound is coming from. which I recently drove from Vancouver to Whistler and back again along a very rough & winding highway (road construction for the Olympics). Car makes a clunking noise when accelerating. Any Ideas? More info: The noise seems to come from both left and right rear wheel. With the tires off the ground. I had a creak happen when accelerating from stop. With the tires off the ground. NOTE: AC runs in many positions of the selector switch. Mine did this also. Getting this horrible clunk noise from the rear end, I can hear it when lightly tapping the accelerator. It also feels like some sort of slippage while it does this. 2014 MDX rear end thump I likewise have had the same rear end thumping/banging since I purchased it 5 months ago. When I downshift, or put car in reverse there is a clunking noise coming from the rear differential. What is causing clunk noise in on 2000 chevy silverado 4wd - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. i can lessen the clunking noise by putting the truck into neatral for a couple of seconds, before changing to reverse or drive. If I am in wet grass in 1st and a tire loses traction while accelerating, there is a loud clunk and a feel similar to chain jumping a tooth on a sprocket when the slipping tire catches traction. When my rear end started to go out recently, I started getting several clunks when accelerating from a stop. Addnl service: My acceleration whine was noticably. Also my rear end squeaks everytime i hit a bump. I have not had a chance to do any in-depth testing regarding the engine mounts, but I have figured out how to replicate the noise. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon. there might be a tsb on it. 5 lift in front 2 lift in rear. The first prob was that i welded up my side gears one night in a desperate attempt to get more traction. Mine only does it going from drive to reverse or reverse to drive. New slip yoke and u-jointsno fix. These noises can come and go, but are mostly evident over bumps. The transfer case is clunking and moving a lot when accelerating at lower speeds. During the drive to work afterwards, there would be a more faint clunk when driving over some bumps, and a loud clunk again while turning into the driveway near work. Rear shocks, mounts, rear control arms, front driver control arm, ball joints, you name it. In todays video I discuss a common problem effecting Ford Expedition EL 4X4 models when a rotational clunking noise is caused by a faulty front driveshaft. I have 8 hours on it, and that clunking noise is not getting and better. I am noticing a clunk coming from the rear suspension of my truck. Rear end clunking is often a result of a dodgy axle however there are other things to consider such as (off the top of my head and in no particulaer order) 1) anti-roll bar links - often made from plastic and they can snap 2) broken / rusted through trailing arms 3) stuck / sticking rear brakes / parking brakes. I just got my '97 AWD V8 back from Ford after they replaced the rear main seal (ouch). Have had a pop/clunk combo type noise coming from the rear end for a while now when starting from a stop. Clunk, Clunk! Rear End Bushings! So annoying! I know it's nothing that is dangerous but the sounds the rear end make are loud and annoying. Also my rear end squeaks everytime i hit a bump. It was coming from both sides at the rear. There should not be any "clunking" going on when accelerating or decelerating. RE: Rear-end vibration IP: Logged Message: Hey i have had some rear end trouble with my dakota. If rear differential noise occurs while accelerating the car only at a certain speed, it is likely because the gears have become worn due to overloading and lubrication failure. What makes a clunking sound in rear end when making right turns? Why clunking when accelerating to highway speed? Buick makes a clunking sound from trans area when accelerating. I would take it back to whoever changed the fluid and have them double check the service and fluid type. About a week later i blew the whole thing apart when i went out drifting. Maybe 10 seconds between each noise. looking at it it seems like there's no inspection plate or anythig for the rear split axle (thanks volvo, i guess they thought it'll never break), which i'm ssuming is the culprit. I've searched and the only thing I can come up with is a TSB suspension issue or worn struts. Related Discussions and Sites. You can actually feel the tapping through the floor boards. It's not very loud, but noticeable, and happens more when the engine. 72000 mi: Clunk in front end when steering or weight shift during acceleration was caused by worn intermediate shaft. I had a clunking issue under the same conditions you saying but it turned out to be a problem with the under brace I bought for my subframe, I bottomed out and I guess it shifted. It also seems to drop a bit with the clunk. It only has 24,000 miles. Its not a clunk you hear its one you feel though the hole truck and its fairly small and only dose it when you take off from a complete stop. In my 2000 silverado I hear a loud very audible clunking noise (passengers notice it as well) which sounds like it's coming from the rear of the truck whenever I accelerate hard from a dead stop. I've noticed my truck making this clunking sound when I come to a complete stop and when I take off. diagnosed, needs rear axle replacement. You can view the latest magazine as a PDF here or explore our archive of past issues. About two weeks ago the vehicle suddenly started to have a regular banging/clunking from the rear end near the rear differential when accelerating from a dead stop. Strange pop in front end on acceleration - posted in Handling, Brakes and Tires: I have a strange pop or clunk after braking for a stop and then accelerating. Have had a pop/clunk combo type noise coming from the rear end for a while now when starting from a stop. The sound is coming from the front and only happens one time after braking for a stop. Clunk, heard when driving on. It also does it when I lightly tap and release the gas pedal. For example, I speed to 60km/hr, then take my foot off the gas and coast. If I shift directly to drive, there is no noise. It usually happens when accelerating from a stop or from a slow speed. I'm not convinced it's that big of an issue. Page 4 of 4 < Prev 1 2 3 4. I have noticed that upon initial acceleration I sometimes get a mild clunk from somewhere in the rear of the Jeep. The first prob was that i welded up my side gears one night in a desperate attempt to get more traction. It has recently started to make a single knock or clunk sound when I accelerate and brake. Re: clunk noise when accelerating. Sounds like metal to metal contact. It's only 6 month old, still nice and tight. Just after I brought my 2006 X3 2. Please Help! clunk sound when accelerating. Addnl service: My acceleration whine was noticably. Strange pop in front end on acceleration - posted in Handling, Brakes and Tires: I have a strange pop or clunk after braking for a stop and then accelerating. I have put over $1900 in my 2014 Ford Escape in the past month. I've searched and the only thing I can come up with is a TSB suspension issue or worn struts. Hey guys, my 2001 rav is doing a strange noise/clunking from the rear end when i drive through bumps and holes and rough roads, it's like metal on metal, not a low thud sound. When I shift gears, there is a faint 'clunk' sound coming from the rear of the car, and I can feel the gears engaging. My 2006 f150 did it. transmission). I have brand new springs, and I'm confident it has nothing to do with the suspension. Good morning everyone- I have a 2008 Ford Edge SEL, AWD with the 3. Every time I shift and get back on the throttle I'm hearing this clunk noise coming from the rear end. Additional symptoms that would point to this problem often include a clunk or shudder during hard acceleration or when the transmission is put into gear. For the past 8-10K miles, I've noticed a moderate-loud clunking noise coming from the rear suspension (passenger side rear, if my ears are hearing correctly). During initial Deceleration this same noise occurs. It is more noticable between 1st and 2nd. You can feel it when the Jeep comes to a stop and when you start to accelerate from a dead stop. I had the gears in the rear end of my ram 3500 changed and after 500 miles the pinion preload loosened up. clunking noise in rear- differential? i have noticed the last couple of days, when i am stopped and accelerate from a stop, there is a clunking noise coming from the rear wheels of my carim pretty sure its not motor mounts, and have a feeling that its my differential slowly goingwhat are some symptoms of problems to look out for?. It doesnt happen every time, but close to when taking off from a stop i get a clunk noise from the rear end. What we all feel as that "clunk" is actually backlash. Clunk in the Rear End Every once in a while at a dead stop, I take off normally and I can hear a clunk coming from the rearend. There's 2 in the front and 2 in the rear. It usually happens when accelerating from a stop or from a slow speed. What happens is as our trucks get older and the rear springs lose some of their temper the rear axle actually rotates forward (loads) when coming to a stop. Part was replaced (had been greased once before) under extended warranty. This gave some relief to noises that I thought might also be from clunking exhaust system or loose suspension. clunking noise under heavy acceleration I have been noticing that i have been getting a strange driveline noise under heavy acceleration. I have a 2005 GTO and a 2009 G8 GT. Also my rear end squeaks everytime i hit a bump. Will i need a whole rear end replacement or could it be just somethin simple to repair. toyota: rear driveshaft/propeller shaft clunk/thunk noise. Get the rear end in. For last couple of month i started to notice strange clunk noise while accelerating in low speeds like 10-15 mph and controlling speed by accelerator pedal. This is a discussion on Rear End Clunk within the Drivetrain forums, part of the LSx Technical Help Section category; When Im driving i hear a slight whining noise from the rear and heard it clunk once turning out of. Any help or suggestions out there would greatly be appreciated. The chase began, rear end serviced and carrier bearings replacedno fix. They said its most likely back lash in the rear end. I have had a Chevy mechanic and independant mechanics tell me that its not uncommon. I can also hear the same clunk sound when taking my foot off the gas after accelerating. The problem sounds like the rear end. i can lessen the clunking noise by putting the truck into neatral for a couple of seconds, before changing to reverse or drive. So when people start throwing out that Raptor's make noises in the rear end, it gives the perception that Raptor's are having differential issues and suchnot the case. " a thunk or clunk noise comes from what sounds like the front driver's side wheel well area. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Clunk in Rear End: Bushing Diagnosis. A common cause of a metallic clunk sound upon accelerating, or putting in reverse or drive from park are worn Universal joints in the driveshaft, which are at the ends and connections of the shafts. Clunk when accelerating and letting off the gas Noticed a slight knock/clunking over the weekend. If its loose and has play, the rear axle can actually move around when you apply torque to the driveline. The following are known to be prime suspects;-Worn bushing in upper strut mount-Bad strut-Bad spring-Worn ball joint-Worn motor mount-Loose bolts on the factory strut brace. You can feel it when the Jeep comes to a stop and when you start to accelerate from a dead stop. On my '96 Rodeo I'm getting a low deep clunking noise from the rear end whenever I start from a stop, brake to a stop, or go through a turn. After that I had this clunk sound from the rear end and I swore it was my rear diff. Every time I'd accelerate to quick, brake suddenly or hit a bump I'd get a bad clunk. One tech thought to be leaf spring bushings (the where basicly gone)no fix. It happens when coasting over bumps also. Any input on this issue would be much appreciated. When the rubber in these parts wears out, the engine can move more than it was designed to, and this usually results in a thunking noise under hard acceleration. cheers, dan. Also my rear end squeaks everytime i hit a bump. Ok guys - I have a 6. After that I had this clunk sound from the rear end and I swore it was my rear diff. Drivers of the Volkswagen CC may experience a clunking noise associated with acceleration from a stop, or downshifting for hard acceleration. DSC Malfunction / Rear End Clunk I know there are numerous posts regarding DSC malfunction issues but none seem to follow with the issues I am experiencing. I have 2016 prius and it has 30k miles. Clunking Noise When Accelerating. It sounds like its suspension related at the rear end itself. Speed doesn't seem to matter. Both only thing I've heard anybody say is to grease the splines. My '07 KC has about 2,500 miles. low speed clunk in rear end My first thought was "this is a u-joint". If you need any parts for your vehicle, click the link in the description and head over to 1AAuto. A common cause of a metallic clunk sound upon accelerating, or putting in reverse or drive from park are worn Universal joints in the driveshaft, which are at the ends and connections of the shafts. The noise and clunk only persists for about 10 feet or 2 sec and doesn't happen when accelerating if I'm already moving. When accelerating, there is a "clunk" coming from the front end (I think on the Driver's side). It sounds like a clanging, spring coiling loose change type of sound, not very loud, but definitely noticeable. Clunk from motor when going slowing down and accelerating + whining noise at 65+mph Submitted by ElectricZo on September 19, 2013 I have been noticing a 'clunk' feeling/noise when transitioning between slowing down and speeding up. It also feels like some sort of slippage while it does this. My rear end started clunking when I accelerate or decelerate. Thump/Clunk noise right before complete stop was created by pugtor Ok, so as the title says, I have this thump/clunk sound (and I haven't met a mechanic yet who apparently knows what I mean when I say this) right before the car comes to that complete "stop". 5" short arm with 1. I do get that knock every time I accelerate, but the severity will depend on how you accelerate and whether the u-joints need greasing. I have a steep driveway and sometimes while I am on the approach for the garage, and in the drive gear with no four-wheel mechanisms engaged, the car will roll backwards a few feet while waiting for the garage door to open. pop/clunk on acceleration and deceleration So after a thorough search, I'm trying to narrow this noise down and hoping a suspension guru will be able to help out. I know that there have been posts about others experiencing a clunk like noise from the rear end at slow speeds when cycling between power and regen, i. It almost feels like something in the rear end is binding which I though maybe a seized brake component in the rear. All right when you're diagnosing the rear end noise that you have, if it's a noise that's constant all the time, what you can do is you can put the vehicle up on a lift and have someone driving. "Clunk" in Rear End: Bushing Diagnosis. Additional symptoms that would point to this problem often include a clunk or shudder during hard acceleration or when the transmission is put into gear. The noise gets load when you accelerate fast. Basically its a clunk, clunk, clunk until we build up speed in a parking lot. It only does it under about 3 MPH and is a TINY bit worse when we hit the brakes a little bit. It was designed that way so when the rear end heats up (due to towing mostly) and the gears expand it won't be too tight of a fit. It sounds like its suspension related at the rear end itself. approaching a roundabout) to accelerating. As the modifiers are broken down over time the clutches tend to make excessive noise. About a week later i blew the whole thing apart when i went out drifting. "Clunk" in Rear End: Bushing Diagnosis. Its more so in the middle/drivers side. At least that is what I am noticing. I have about 105,000 miles on my 2013 Dodge Durango Citadel. The problem sounds like the rear end. Similarly, when I accelerate slowly I am able to minimize/eliminate the clunk. The rear end makes a loud "clunk" sound almost as if the shock is bottoming out. the tranny is an nv4500 and the transfer case is an atlas II. I was driving to work friday morning when trying to accelerate from a stop light heard a loud clunk in the rear end and felt like a loss of power when going. I have brand new springs, and I'm confident it has nothing to do with the suspension. my xc is producing a loud noise, like a clunk, from the rear end when accelerating, especially around tight turns. During the drive to work afterwards, there would be a more faint clunk when driving over some bumps, and a loud clunk again while turning into the driveway near work. clunk clunk when i push the pedal does not happen at high speed now i want to go to the dealer it will be a. I am noticing a clunk coming from the rear suspension of my truck. I have a 2005 X3 3. Took it in to the dealer to address this issue, but 'no course of action at this time'. 02-18-08 02:57 PM - Post# 1369071 2007 GMC Sierra, CC, NBS, with posi--at approximately 15,000 miles it started having a clunk sound in the rear end. I've noticed my truck making this clunking sound when I come to a complete stop and when I take off. I think that I may have posted this in another thread a few weeks back, but I had been hearing this clunking/rattling noise coming from the back of my trunk for the past thousand miles or so. 0D MSPORT we noticed a clunking noise from the rear when slowing down in traffic. It is a constant thing at those rpms. Hey guys I have been dealing with this clunk from the rear-end/rear of the truck for too long now. When the rear of my truck goes over bumps it makes a rattle/clunking noise but I can't find where it is coming from. The clunking is very annoying. It almost felt like it could be normal, but it seemed to be getting worse over. After immediately taking my foot off the gas I can hear the clunk when the transmission shifts. Mine did this also. After i painted the rear i installed new axle seals in the housing as well. Fairly reasonable, as I recall. I've haven't pursued it with my service center yet. low speed clunk in rear end My first thought was "this is a u-joint". The female end does not go far enough up on the male end to get into the grease. Duckryder was pretty much on target with his suggestion too. Please Help! clunk sound when accelerating. only after starting though. g, a spider gear). Clunk when accelerating and letting off the gas Noticed a slight knock/clunking over the weekend. Thanks!Also,when viewed from behind the car, the rear tires. A little history about the car â€" its done 160K kms, is a 1994 model, has the LSD option, was involved in a rear end accident. Any Ideas? More info: The noise seems to come from both left and right rear wheel. After that I had this clunk sound from the rear end and I swore it was my rear diff. It is the classic GM slip yoke problem. If you get under the truck (with jack stand in place) and get someone else to move the wheel, you might be able to isolate where the clunk comes from. Single "clunk" when accelerating from a stop I was hoping someone could help. Also while driving when it. I'm not too worried because it isn't a BAD sound, it is just something I did not notice on my old Jetta. Is a distinct, audible "ker-chunk" noise coming from the rear end of your Vette? Sometimes this noise manifests itself from the front end as well. At first it wont sound like much, and will only do it from a standing start. When these fail the engine and transmission can move when accelerating causing this noise. You can actually feel the tapping through the floor boards. Heck, now I will feel/hear the clunking sometimes when I start the car in a parking lot if I am facing upwards on a hill, when that happens if I don't move the car yet and. Tightened it up and problem completely and cheaply fixed. Front Motor Mount Replacement. If the clunk occurs when you accelerate, it may be the mounting bracket for the differential. There should not be any "clunking" going on when accelerating or decelerating. It also makes the noise if the car is off and i move the steering wheel there is a clunk type noise. The clutches in the rear end require certain friction modifiers. I haven't had a chance to get under the car and have a look yet, but I was hoping to get a heads up on what I should start looking for. Since having my tires changed, I've been hearing a clunking sound from what sounds like the back driver side of my car. Clunk noise with sharp turn at slow speed I am the original owner of a stock 2004 Jetta TDI 5spd. Sometimes it would sound like the front end was about to come out. If their bushings or end links are worn out, they will rattle or make clunking noises (from the front suspension) when driving at low speeds. The sound is coming from the front and only happens one time after braking for a stop. Every time I'd accelerate to quick, brake suddenly or hit a bump I'd get a bad clunk. I've got a 2008 Escalade with no known issues. It sounds like it could be a stuffed shock or bush but can't quite narrow it down and I'm not overly in the know when it comes to suspension (especially bushes). FIXED: Rear axle click clunk noise. Here’s a scenario for you: One day while you’re driving to work, you are abruptly alerted to the fact that something is not happy in the rear end of your ride. What happens is as our trucks get older and the rear springs lose some of their temper the rear axle actually rotates forward (loads) when coming to a stop. I have a metal clunk/knock sound upon moderate acceleration. It was designed that way so when the rear end heats up (due to towing mostly) and the gears expand it won't be too tight of a fit. After that I had this clunk sound from the rear end and I swore it was my rear diff. clunk noise originating from the underside of the vehicle upon acceleration. Rear End Mounts: All the companies with booths at the Annual Z-car Convention a couple of weeks ago (tweeks, JCR, etc) had Urethane third member bushing kits. (if everything but shocks checks out fine, it is probably the shocks in the front end. I've just been on a mission to find the issue with this rear end. I've made 2 videos and 2 audio clips taken from the same location as the videos. g, a spider gear). Once I'm driving though, it's all fine. I don't think this is the case, as it occured 50k miles ago (less harshly) with my original shocks that have since been replaced. 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 normal went from a f150 to an escalade. it sounds like a driveshaft or rear end problem. 84 Mustang 5. Q: Clunk in the vehicle when accelerating. It would appear one has to drive a ways before trying to. Advanced Search Cadillac cts makes noise when accelerating. Usually only in first gear at low speeds when I accelerate moderately. Car makes a clunking noise when accelerating. Getting a "clunk" sound from rear of truck when going over any sort of uneven road surface. A sharp metallic pop, usually heard when accelerating or braking; 2. I'm experiencing a slight clunk/thud in the rear end when accelerating from a dead stop. I also get a clunk from my ghetto-blasting cut-down-by-previous-owner springs, but this is on single wheel deflection. Feels like it's coming from the left side and I can feel it through the steering wheel. On a rear wheel drive vehicle there is often a little slack in the rear end gears and… as the engine is coasting about the same speed as the rear axle is coasting…a tiny chnage is in those speeds can show that slack in the form of bumps. During my last 2 trips to the dealer I've had the following replaced: Replaced both sides lower ball/joint. It only happens when accelerating from a complete stop and if I creep a bit before accelerating, it does not happen. backing into parking spot, heard loud clunk from rear end, drove throughout day and it got worse when turning or accelerating both forward and reverse. Tightened it up and problem completely and cheaply fixed. Once I'm driving though, it's all fine. It would appear one has to drive a ways before trying to. loose lower shock bolt. I'm guessing it is the rear axle going bad since the fluid change seemed to fix the issue. I had it looked at and the tech told me that U joints are fine, he just thinks its low on the oil in the rear end. Avoid it if you smooth the driving out a bit. Rear end clunk, check the leaf spring and shock mounts/brackets. About two weeks ago the vehicle suddenly started to have a regular banging/clunking from the rear end near the rear differential when accelerating from a dead stop. Mar 18, 2011 Rating: Noise by: Corvette-web-central Corvettes don't have any U joints on the C6's. The clunk/thud does not occur everytime I brake. I am starting to get a rear-end clunk when my Magnum R/T shifts between gears. 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 normal went from a f150 to an escalade. The rear end has an air valve on the dash to lock it, but I've never used it while try to drive forward. At least that is what I am noticing. Can anyone help me figure out what is causing this noise. I'm guessing it is the rear axle going bad since the fluid change seemed to fix the issue. It took a few trips, but in the end they got it: it was the strap that held on the fuel tank. When I take off from a stop it clunks in the rear about 1/2 second after you take off. Is there a Universal Joint that possibly needs replacemant or maybe CV joints? I have searched the forum and have not found any reference to rear-end clunks. Loud Clunking noise at the rear of my car? I have a 1998 Isuzu rodeo with 96,000 miles on it. Would go much smoother it the car were on a car hoist. Its not a clunk you hear its one you feel though the hole truck and its fairly small and only dose it when you take off from a complete stop. It will do it with our without trac control on. Hey guys my 2013 RS5 has 50000 miles and I noticed today with the radio off when I was stuck in some traffic. Thump/Clunk noise right before complete stop was created by pugtor Ok, so as the title says, I have this thump/clunk sound (and I haven't met a mechanic yet who apparently knows what I mean when I say this) right before the car comes to that complete "stop". Changing the fluid will make it smoother and quiter for about another 30,000 miles. I've haven't pursued it with my service center yet. If your SRX is a front wheel drive model then most of the time this is caused by a failing engine or transmission mount. The transfer case is clunking and moving a lot when accelerating at lower speeds. Mazda's answer was "super grease", just a thicker heavier grease. The axle wrap is a pronounce jerk feel when taking off from a stop. Any input on this issue would be much appreciated. Took it in to the dealer to address this issue, but 'no course of action at this time'.