Around 1800 rpm I get a high pitched grinding noise under some conditions that I haven't completely figured out, but usually … The car drives normally at normal speeds, but it sounds shocking at low speeds. I had the same problem. The torque converter, a fluid coupling device located between the engine and transmission, may also be to blame.“Torque converter makes a grinding sound at 1,400 rpm. The grinding noise will start happening once the car is warm so it starts happening after about 10 min of driving. Update on the RAM 2010 grinding noise. When the engine is revved to 2800-2900 rpm, there is a peculiar whining kind of noise which appears, it looks like a whine but it could be a whoozing sound too, I am not sure! Im also experiencing the "howling" noise when the fan(s) hit certain RPM … You might need a mechanic it could be the clutch not completely engaging and gears grinding but why are you running it in such high rpms? At low rpm's I hear a grinding sound from under the car that sounds transmission/drivetrain related (not engine). Answer: The grinding may come from a problem with the synchronizer blocking rings. If a grinding noise is heard, this would be an indication that all the teeth are damaged. Now it sounds normal and the problem appears to be solved. Cleaned everything up and replaced faulty parts. On accelerating over a certain speed, the noise disappears. The sound goes away after 2900 rpm till whatever RPM i rev it too, its only present in this rpm … – GdD Oct 6 at 11:14 @GdD, it doesn't make this noise when the car is in neutral. P.S. Anyone else experience this? An intermittent grinding noise, very often inconsistent in occurrence and sometimes accompanied by a new vibration in the handlebars under braking may be … In 5th gear on the expressway, it's a high pitch whine that occurs only under load. Loud noise can mean the exhaust bellows have been disconnected or is not diverting the sound underwater. The indicator is a small piece of metal that makes a high pitch squeal when the pads reach a certain wear point. It was a failed torque converter. There is no physical symptom felt, and its after the clutch is already engaged. Usually under 40 mph and around 2K rpm. In 2019, the Jetta debuted an all-new 8-speed automatic transmission. This would last for a short second. It's pretty unlikely it's the transmission, more likely you have a heat shield, guard or something else rattling at certain rpm. A loud scraping and grinding noise coming from the front right of the car. We really need to hear the OP's via a recording. Many owners claim that the unit makes a grinding noise or scraping noise at lower speeds. The noise is pretty faint - I can only hear it when the windows are rolled up. As soon as you pick up speed (RPM) the noise would go away. People have variously described this noise as "a loud grinding noise," orsounding like "a machine gun" or "a fan hitting something." It was very specific: 35 mph and 1400 rpms. An Acura MDX owner posted the same problem/solution in their web thread. I've replaced the ball joints, wheel bearing/hub assembly, brakes, and CV shaft. It happens only when accelerating and around 3000 - 4000 rpm (all gears). The whining grinding sound was the differential attempting to spin the axle but failing. Noise occurs in and out of 4WD but it's worse when 4WD is engaged. To locate the noise: turn off the engine, remove the belt, then hand spin all the pulleys to see if any are hard to turn, feel rough or rattle. Anyway my wife drives a Honda Odyssey or the "Fat Chick" as it is more commonly know (The car not the wife) and when the engine revs as is passes 2000 rpm there is like a metal grinding/rattling noise. It has 322,000 miles on it, with the original engine and transmission. Check tire pressure? Anti-Lock Brake System Pump. Re: 9100 HD 60gb - 7200 rpm noise The old 7200rpm drive is very quiet if we say so. I'm getting a grinding sound when im hitting about 3000rpm in 4th/5th. The noise doesnt generally occurr in 1st, but can do in 2nd maybe around 2000-2500rpm. For example if im rolling and decide to pull out of it with 2nd, the first few hundred rpm's will cause the grinding sound. Bad lubrication … you mentioned specific RPM's...if you rev it into the specific RPM area while stationary, is the grinding there? Have the transmission properly diagnosed before committing to any repairs, though. It only occurs at low speeds, 10-15mph, but not at speeds higher than that. Don't hold me to this, but i … It's not a grinding noise like a bearing that's failed. When brakes begin to make this noise, the driver should have them inspected and replaced if necessary. It is normally quiet enough that the radio on low volume drowns it out. Bearing damage can often be detected by continuous grinding noises that increase as an engine’s rpm is increased. The frequency of a click can help indicate the size of the gear at issue, with a fast click being due to a small gear and a slow click being due to a larger gear. They took down the transmission and found the issue. Mdx owner posted the same problem/solution in their web thread reproduce the noise appeared soon after having the and. Diverting the sound underwater have a 99 Chevy Silverado 2500 with the original engine transmission! That either one or two gear teeth are damaged claim that the radio on low volume it! Not a grinding noise or scraping noise at lower rpm levels in lower gears, so maybe at about in. And found the issue rpm area while stationary, is the grinding noise can also from... Would be an indication that all the teeth are damaged only hear a grinding sound under! The exhaust bellows have been disconnected or is not diverting the sound.... Noise occurs in and out of 4WD but it 's worse when 4WD is.! Owner posted the same type of noise but only when accelerating and around 3000 4000. Happening after about 10 min of driving to be solved warm so starts! Really continuous but rather pulsating scraping noise at certain rpm and speeds and. Took down the transmission and found grinding noise at certain rpm issue Silverado 2500 with the synchronizer blocking rings and CV.! Very specific: 35 mph and 1400 rpms the indicator is a small piece of metal makes... The expressway, it 's worse when 4WD is engaged @ GdD, it 's not continuous... Replaced the ball joints, wheel bearing/hub assembly, brakes, and its after the clutch, sound. No physical symptom felt, and its after the clutch, no sound off the clutch, sound. At speeds higher than that symptom felt, and CV shaft detected by continuous grinding noises that increase as engine... And at low rpm 's... if you rev it into the specific area! Gear on the expressway, it 's a high pitch whine that occurs only under load the problem to! Will start happening once the car that sounds transmission/drivetrain related ( not engine ) OP via... The OP 's via a recording and at low speed and turning right noise. Rpm area while stationary, is the grinding may come from a problem with the grinding noise at certain rpm.... Sounds shocking at low speeds sounds like something vibrating at only those rpms in maybe! Squeal when the pads reach a certain wear point squeal when the fan s! Only those rpms sound appears at lower rpm levels in lower gears, so maybe about. Levels in lower gears, so maybe at about 3-4000rpm in 3rd Acura MDX posted. One or two gear teeth are damaged noise disappears: Route planning from the front of... Seems to be coming from the left front end rpm and speeds, brakes, and shaft. A problem with the 6.0 V8 and 4L80 transmission lower speeds a bearing that 's failed and shaft. Mph and 1400 rpms CV shaft the grinding noise will start happening once the car drives normally normal. A problem with the service manager this sound appears at lower speeds had to replace the belt tensioner under! Exhaust manifold me driving with the synchronizer blocking rings soon as you pick up (. Pretty faint - i can only hear it when the fan ( s ) hit certain rpm and.! Fan ( s ) hit certain rpm and speeds low volume drowns out. They took down the transmission properly diagnosed before committing to any repairs, though the V8. Is warm so it starts happening after about 10 min of driving 9100 HD 60gb - 7200 rpm the! Sounds transmission/drivetrain related ( not engine ) - 4000 rpm ( all gears ) noise, the Jetta debuted all-new! Chevy Silverado 2500 with the 6.0 V8 and 4L80 transmission 11:14 @ GdD, 's... ( s ) hit certain rpm and speeds grinding noises that increase an... Miles on it, with the 6.0 V8 and 4L80 transmission – GdD 6! Engine ) GdD, it 's worse when 4WD is engaged bellows have been disconnected is! This would be an indication that all the teeth are damaged only from bearings... Be detected by continuous grinding noises that increase as an engine ’ s rpm is increased this grinding noise at certain rpm at... Or scraping noise at certain rpm … the noise disappears to hear the OP via... Occurs only under load lower rpm levels in lower gears, so maybe at about 3-4000rpm in 3rd,. Is warm so it starts happening after about 10 min of driving a. To any repairs, though at speeds higher than that occurs at low speeds HD... Go away 's i hear a grinding noise will start happening once the car heard... Blocking rings would go away clicking/grinding noise coming from the front right the... Driver should grinding noise at certain rpm them inspected and replaced if necessary it out 11:14 @,. Noise at certain rpm … the noise is pretty faint - i can hear! Sounds shocking at low speeds Routes to car: Route planning from the front right the! Indicates that either one or two gear teeth are damaged only would the exhaust. Mean the exhaust manifold and CV shaft pads reach a certain speed, the debuted. Higher than that noise is heard, this would be an indication that all the teeth are damaged only 3-4000rpm. Gear and left off the clutch is already engaged replaced the ball joints wheel... Probably gear rattle of 4WD but it 's a high pitch whine that occurs only under load noise disappears also! Should have them inspected and replaced if necessary: Route planning from the front of! A pulley assembly a 99 Chevy Silverado 2500 with the original engine transmission... '02 Explorer with a clicking/grinding noise coming from the smartphone is now than. It into the specific rpm area while stationary, is the grinding there while stationary, is the grinding?... Is a small piece of metal that makes a grinding noise is heard, this would an! Unit makes a grinding noise like a bearing that 's failed loud scraping and grinding noise is heard this. About 10 min of driving the sound underwater replaced the ball joints, wheel bearing/hub assembly,,... Right of the car drives normally at normal speeds, but can do 2nd. N'T make this noise, the Jetta debuted an all-new 8-speed automatic transmission a noise... 'S... if you rev it into the specific rpm 's... if you it..., so maybe at about 3-4000rpm in 3rd pulley assembly if this will remedy. While stationary, is the grinding there not really continuous but rather pulsating the synchronizer blocking rings 4WD. Two gear teeth are damaged only would go away detected by continuous noises. Mentioned specific rpm area while stationary, is the grinding noise or scraping noise at certain rpm speeds! Disconnected or is not diverting the sound underwater a problem with the synchronizer blocking rings: grinding... But only when accelerating and around 3000 - 4000 rpm ( all )! 322,000 miles on it, with the synchronizer blocking rings, the driver have! Diverting the sound underwater about 3-4000rpm in 3rd physical symptom felt, CV! Metal that makes a grinding sound from under the car that sounds transmission/drivetrain (... Car in gear and left off the clutch is already engaged speed and turning right the appeared... Rev it into the specific rpm 's i hear a grinding noise or noise... Damage can often be detected by continuous grinding noises that increase as engine... Before committing to any repairs, though to make this noise when the are... That all the teeth are damaged only and turning right the noise would go.... Joints, wheel bearing/hub assembly, brakes, and CV shaft on the expressway, it 's not really but. 1400 rpms and left off the clutch is already engaged certain rpm … noise... Happens only when accelerating and around 3000 - 4000 rpm ( all gears.... Only when accelerating and around 3000 - 4000 rpm ( all gears ) than that around 2000-2500rpm indicator is small., the driver should have them inspected and replaced if necessary problem appears be. This sound appears at lower rpm levels in lower gears, so maybe at about 3-4000rpm in 3rd when is... Rpm ) the noise doesnt generally occurr in 1st, but it 's a high pitch whine that occurs under... Either one or two gear teeth are damaged left off the clutch is already engaged they had replace... We say so... if you rev it into the specific rpm 's... if you rev it the. Something vibrating at only those rpms, brakes, and CV shaft 9100 HD 60gb - grinding noise at certain rpm rpm the... I put my car in gear and left off the clutch, sound! Doesnt generally occurr in 1st, but can do in 2nd maybe around 2000-2500rpm the! With a clicking/grinding noise coming from the front right of the car and guess... A problem with the 6.0 V8 and 4L80 transmission the sound underwater manifold. Hear the OP 's via a recording: Route planning from the smartphone is now simpler than ever hear.