Viewed 1k times 1. Generally this only happens at lower speeds – I’ve never driven the car hard either. Ask Question Asked 2 years, 8 months ago. Any help in this matter will be greatly appreciated. Would metal shavings and light wear be signs of a bad front differential? still had the vibration and could not feel it in the steering wheel. This happened off and on for the rest of the 30 min drive. Quick internet and forum search seems to indicate that this is a relatively normal occurrence … This is driving me insane. On an older, high mileage vehicle the backlash will open up. New u joints front and back . There could be a problem with a worn or damaged shaft, shaft end play spacer, or a bearing. Hope that helps. Have an assistant stand safely to one side of the vehicle, next to the engine. Your clutch pedal can help diagnose transmission noises. very well written and informative. input shaft front or rear bearings worn or damaged. I first bought the truck with this issue. What could my problem be? Use the correct transmission fluid for your application. It’s a 1969 Camaro, 3:73, non-posi rear end, 10 bolt, 8.2″. Thanks. I can feel it in the floor boards. It does this after every time i start up and sit in idle for a few seconds. There are a lot of things that can cause a noise when accelerating. I have a 2000 model chevy Silverado 4×4 z71 and just the other day I got in it to drive it and there was a loud clicking sound coming from what sounded like the 3rd member on the drivers side. There are just so many moving parts and rubber bushings that by this time in the vehicles life (20 yrs) could be relaxed allowing things to rub the body; that it’s hard to know where to start. I have just had a replacement transmission installed in my 2007 gmc rear wheel drive 6.0 liter pickup it now makes a chain rubbing noise of and on I have only drove it 300 miles what did they do that could cause this new problem it never made this noise till I had trans replaced. Photo courtesy of Silberwolf on Wikimedia. But damaged gear with broken teeth, even a small piece, can cause a clicking sound. I am getting vibrations at 70-80 mph. I am not sure what you refer as whinning or whirring noise. I had replaced the pinion gears, side gears, shims, adjusting spacers, but the only parts that not yet been replaced was the ring gear and the drive pinion in the rear differential, it’s seem both were in good condition. Hi, Checked for play in front wheels and nothing.. I dont think it can be the right rear axle because Ive gone through it as well. Plus alot of rattleing over bumps? Help :c I’m used to late 90’s Jeep cherokees, and since I can’t see the engine very well at all from a popped hood, I’m very confused about what it might be. Worn or broken transmission gears can cause noise as well. Update: Also does it when idling. Then again, transmission noise can appear suddenly—a transmission component may fail early from a defect and become noisy—and some perfectly-operating transmission models may whir or growl in a low tone, even when new. And if I drive the truck for an hour around town at 30mph I will 9 times out of 10 hear nothing, has to be driven at a higher speed for a bit for the noise to begin. I just recently got aftermarket rotors and brake pads installed and went back to my stock s4 wheels. It’s a six lug, 10 bolt cap,342 gear ratio. In hi and low. The noise sounds like the rumbling you get when you are about to pull over on the shoulder on a highway (best I can describe the noise). I’ve changed fluid no metal flakes and also changed the trans mount. $85 for a molar chain and reasonable to change on own with limited experience. They lubed it all. Today was the first time I ever noticed a whirring sound as I let off the gas, which only seems to happen at slower speeds but is somewhat proportional in loudness to how hard I've pressed the accelerator. heres one that no can figure out yet. A new gear set targets .006 – .010” of back lash. TJ - HP44/9" F-250 FX4. Usually, this means you're dealing with a cracked or damaged transmission or engine mount. Don't confuse this banging with a high frequency noise coming from a worn or damaged pilot bearing, bushing or release bearing. 2007 Dodge Charger and when I’m at a stop than take off I hear a bump bump bump coming from the back and the car sometimes shakes as well during this happening. While there is no help for our singing, we can help you diagnose the sounds coming from a differential gone bad. This usually applies to transmissions, not to transaxles. When I accelerate after coasting, it clicks back into gear hard like it does into drive and reverse. Sounds like metal bits whirling around in/on metal, turning, like a loose pulley noise… Does not increase in pitch or intensity. Sounds/feels almost as if the transmission shifts a bit. After picking up speed, then it goes away. It does it all the time even at accelerating or coasting. Replaced rear wheel axle seals and bearings. Answer: If the noise goes away in neutral, probably the noise is coming from the output or mainshaft bearings. Is this possible? It just comes as soon as gear is engaged and vanishes. Noise gets worse in warmer weather. I have a 2004 ford explorer and i was driving it the other night and i didnt see the 4wd light on and now my abs light is on and when u drive it its making a grinding noise and it feels like the tires are trying to go the oppisite way…, I’m trying to write up possibilities for my 89 chevy van g20 series [5.7L V8] for a thudding and vibration when I hit speeds 45-55 the pop snap sound stopped when I replaced both of my engine mounts. I changed it, inspected it, and did not find anything major. Pingback: Video: Identifying Noise from an Automatic Locker Differential - OnAllCylinders. with Jeff Smith: How to Fix Driveline Vibrations by Adjusting Pinion Angle, Monday Mailbag: Solving Recurring Driveline Vibration, The Yellowtail Build - Page 131 - JeepForum.com, rear end noise - DODGE RAM FORUM - Dodge Truck Forums, http://www.summitracing.com/search/department/engines-components/part-type/cylinder-heads, Video: Identifying Noise from an Automatic Locker Differential - OnAllCylinders. Hi! Cause: Loose pinion bearing preload, Noise: Howl with whir or rumble while accelerating at any speed (gears previously quiet) Vehicle model and differential type would help more. Everything felt fine after I put the right rear axle back in. No,big metal chunks, Just small tiny specs grouped on the magnet and the gears looked brand new. I have a 94 Jeep Grand Cherokee 4 liter 4 by 4, when I start accelerating my truck is fine but as I level out in speed around 30 to 40 miles an hour I get a humming whine from the floorboard that doesn’t go away until I come to a complete stop. Any ideas? Happens when letting off accelerator and sometimes on idle (very slightly). A clicking noise may also be an indication of worn (helical) gear teeth or chipped teeth. Recently for the first time on my ‘16, which now has about 18,000 miles, I have heard slight creaking type noises when I let up off of the accelerator in L. It is not the normal sound I’m used to for the L regeneration. If you suspect a transmission noise, don't forget to check the fluid level. It didn't happen when I let out clutch with small press on gas pedal. Well I just got a clunking in the rear end only. No sound. A loose piece may produce a rhythmical sound. I put new gear oil in the rear diff and test drove it. Looked at a 2001 H6-3.0 LL Bean Edition this evening for a very good price (as in won't be around after tomorrow morning). Question: I'm hearing a grinding sound while decelerating in 4th gear at a speed of 80kph. If you have an idea on what or where you would inspect / fix next it would be greatly appreciated. The swirling noise may be caused by bad input shaft roller bearings. It seems like there is excessive play on the yoke going into the differential. Driving with low or contaminated transmission fluid, will cause all kinds of transmission trouble later on. thank you,kathy. Raise both tires off the ground and set it on jack stands; set the transmission to neutral; turn the wheels manually and have somebody apply the brakes gradually. Possibly the fault is in the output shaft bearings. What did you have to do to get the noisy, whinning sound to stop, My 2004 jeep grand Cherokee is vibrating and when it starts to vibrate I lose RPMs any ideas of what it could be, Dear Mr David, No matter what. Something is rubbing against the CV joint. Fresh Fluid and Gasket in the Rear Differential. Sometimes it can be felt on the passenger or driver floor board. I can replace both of them myself but if it’s in the gears I wouldn’t attempt to do anything like that. I don’t hear it at high speeds and my truck doesn’t shake either at higher speeds. Today, it started making a popping sound when I left work. Went on a trip recently and noticed that when i would let off the gas pedal the jeep would create a dry grinding whine type noise. It will not make the sound in park or neutral. I have owned it just short of a year so I still owe money on it but I have had a few issues since the start. What could be the cause? Looking at your article I am suspecting pinion or ring gear. It also makes a slight clicking or popping type sound every once in a while when turning the steering wheel in either direction. Could be several things Bryan, check some other likely culprits: wheel bearings, dragging brakes and/or pinion yoke. Hope you can help me with this one. You may need a pry bar to check on suspension components. (transfer case area) in any gear, any speed, dose not increase with rmp Cause: Worn slip yoke splines, Noise: Steady vibration that increases with speed I removed the cv axles and drove the truck. This may be the rear bearing for the input shaft, which supports the front of the output shaft. I am now hearing a whining noise coming from where the transfer case is, right next to my shifter on the floor. They usually cause a rhythmical, knocking type noise. The most common source for humming or whirring transmission noises is low fluid level or fluid contaminated with metal shavings. What’s wrong with it? I asked about loose heat shield or something rubbing against the wheel or drive train issue and they say no. I own a 2000 Ford Expedition and while I’m driving (especially starting out from a complete stop) my front passenger wheel slips…. You'd be surprised what you find out. Question: I've got a manual 2005 Suzuki Jimny. Comes from rear, stops when foot is on the clutch. Also immediately noticeable when you let off the gas. I have always kept up with changing the transfer case, differential(s), trans fluids after each TT tow trip season-end. Tom. I hear a 'whining' noise when I let off the accelerator and coast.