Subaru input shaft bearing noise. You may hear a whirring or grinding sound coming from Nov 3, 2010 · Center Diff noise? Solutions? -> Transmission Main shaft bearing noise. Credit: www. To avoid this, cancel and sign in to YouTube on your computer. Explore the Subaru manual transmission parts diagram for a clear understanding of key components, assembly, and maintenance procedures. Pilot bearings essentially come in three distinct forms: Needle bearings Roller bearing type or conventional ball bearings (sealed bearing type) Sintered bronze bushings (looks more like a bronze sleeve and are found on The Causes of Input Shaft Bearing Noise Do you hear odd sounds coming from your input shaft bearing? Below are the two primary causes of these sounds. I found some similar videos online pointing to the bearings. Input shaft bearing makes noise when foot off the clutch, throwout makes noise when foot on the clutch. Confirmed input shaft bearing noise video. We put a drill on the input shaft and spun it. Transmission (AT/MT) & Driveline May 18, 2010 · I value your knowledge nipper, but I was under the impression that if it made noise when the clutch is engaged (foot off the clutch) and stopped making noise when the pedal is on the floor, it was more likely to be the tranny input shaft bearing. Jun 17, 2014 · What you want to determine is if it's input shaft bearing noise or throw out bearing. So I'm thinking it's something internal to the transmission, and it sounds like this transmission has input shaft bearing issues. The textbook perfect failure Paul Kelley 15. Cheers ‘14 Impreza Sport, manual. Thinking throw out bearing, maybe input shaft? Dec 24, 2012 · So if the front diff pinion bearings are getting noisy, any thoughts on if there is any lube or additive choice that can stretch out the time to repair? May 17, 2009 · I have an 03 Civic EX with almost 160K. Pending no leaks, I'm happy with attempting this myself. Jul 5, 2025 · The input shaft of the transmission is rotating the same speed as the flywheel, therefore the pilot bearing is not operating because (input shaft RPM = flywheel RPM). It's possible when you put the new motor in you loaded the bearing up enough to make it fail. 88k Getting dreaded noise from the clutch/transmission area that definitely sounds like a bad bearing that goes away when pushing in the clutch. I guess cars just have more play in the bushing then I'm used to seeing. While if it made noise while the pedal was depressed or being depressed, that was the TO bearing. weight on bearing ring using tail cone You will need to turn the transmission input shaft. Aug 30, 2005 · If the Subaru trans is normally a bit noisy then maybe mine is fine. The bearing keeps the shaft from wobbling as it rotates, and thus allows it Mar 17, 2014 · UPDATE: 4/6/14: Transmission is back in the car and the problem has been solved. Overall, I have been very happy with the car. Get expert tips to maintain a smooth and quiet ride today. Everything’s been great on it and just realized while it was idling after the car got warm i heard a noise coming from my Sep 10, 2007 · We don't disagree there. Hello all, need help identifying the culprit of this noise, it's coming from the bell housing area, sort of goes away when gas is applied. Here are the warning signs to help you diagnose the cause of your problems. It’s been pretty much the same for an entire year. Mar 19, 2016 · Noise under these conditions indicates a worn pilot bushing or bearing, or a worn release bearing. If the noise persists, the release bearing is defective since the input shaft is now free to rotate. It only makes sounds when idling in neutral with the clutch not pushed in. You can hear this knocking noise in the Trans. Sep 19, 2009 · throwout bearing, pressure plate, or input shaft bearing? Transmission (AT/MT) & Driveline May 26, 2015 · When a bearing failure is happening you need to replace it pronto given the failed bearing will damage the shaft its supporting. Persistent Noise Nov 16, 2008 · I figured that the bearing was making noise when loaded, then stopped when the clutch was pushed because the input shaft was no longer turning. I could probably tear down the transmission and sort this all out. If these bearings fail, the transmission will make a whining noise at idle, neutral, and gear. The noise will stop anytime the clutch is pushed, even coasting. Apr 8, 2019 · Pulled my old shaft out and installed the new Dorman one, carrier bearing has a little less play then the factory one. A throwout bearing only turns when clutch is engaged and will only make noise when the clutch is engaged. 000 k on it, has anyone had a similar problem, thanks in advance. my wrx has a slight bearing noise when depressing or letting off the clutch. I saw someone commented on a YouTube post and said Subaru admitted to him the bad throw out bearing causes your clutch and input shaft to mess up and they gave him $2,000 towards a new WRX. Jul 19, 2024 · Unfortunately Subaru only sells the complete drive shaft assy for around $700 so I am looking into a kit that can be had for around $270 when things get louder. Having a loud whining noise from the front differential, loudest upon deceleration not as bad when accelerating. Input shaft bearings are a comon failure in these cars and the transmission has to be pulled and the casing has to be split. Jul 20, 2010 · I've had good luck with the Subaru 75W-90 fluid. It came back with this strange noise. Faulty or worn-out torque converter Clicking A severely worn input shaft bearing can cause the transmission to slip out of gear while moving. I can take pictures if any one is Jun 7, 2022 · 2013 outback with the automatic cvt transmission. Apr 8, 2014 · Subaru 5 speed input shaft bearing noise / failure not pilot bearing or throw out bearing If playback doesn't begin shortly, try restarting your device. The output shaft is at the top rear of the transmission, but the output from the viscous coupling is lower, and spinning the wrong way, so they use a transfer shaft to reverse the direction and relocate the output. that's the ONLY time I hear it. Worn or misadjusted clutch components 2. Sep 26, 2025 · Experiencing bad transfer case sounds can indicate serious drivetrain issues. Certainly not happy about it. By joining our community, free of charge, you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Jump to Latest 54K views 16 replies 6 participants last post by CNY_Dave Jan 7, 2014 H Second, If the bushing or bearing that supports the drive shaft or the drive shaft U-joints wear out or fail, they can interfere with the unit’s ability to rotate correctly. Took it to an independent shop that told me it was the front differential and that u joints, drive shaft, and carrier bearing Aug 11, 2014 · These temperature changes affect the amount of pre-load on the transfer driven shaft bearings. Low or dirty transmission fluid 2. Damaged or worn-out transmission bands 3. It gets louder when you push on the input shaft and quieter when you pull on it while spinning. It provides a low friction point of support on the end of the transmission input shaft. See full list on autocartimes. If they are breaking in stock cars, imagine if your car is modified! How do they break? As you can see from the picture below, all bearings can not withstand thrust load. They are so bad that there is a service bulletin about replacing them from Mitsubishi. When: 1. Your car is out of warranty, and it's unlikely that an input shaft bearing failure will cause damage to anything but the transmission, unless it really grenades the gearbox and causes physical damage to the block. Could it be a bad input shaft bearing, pilot bearing, throwout bearing, synchros? Also hear a lot of chatter from the engine when in neutral and it Feb 28, 2017 · Transmission help Throw Out Bearing or Input Shaft Bearing. Though the noise Defective Clutch release (throw out) bearing noise. Registration is free Dec 30, 2021 · The propeller shaft transmits power from the transmission to the rear wheels and there is an unservicable carrier bearing in near the middle of the shaft that starts to make a whining noise when it is beginning to wear out. It probably does continue to make noise as I drive, but is drowned out by the engine and road noise. Sep 27, 2022 · The third part of his project (embedded below) shows that the input shaft made a click-click-click noise just like my input shaft, and that the noise was gone once he replaced a couple bearings and put it all back together. Jun 4, 2020 · To reduce noise, some Subaru driveshafts use a special constant velocity joint to connect the two pieces of the driveshaft. I more noticable going down a hill at 2100rpm's foot off gas 4th or 5th gear. I have a 2016 with 17. My guess is that the input shaft was damaged due to continued use after the bearing started to fail. You definitely have a worn out bearing in the that one. if Oct 6, 2022 · All Activity Home Newer Generations of Subaru discussion 1990 to Present Legacy, Impreza, Outback, Forester, Baja, WRX&WrxSTI, SVX 2000 Legacy MT 235k w/ Bad Transmission Input Shaft Bearing: How Long Can She Go? Fix or Sell As-Is? Jan 8, 2016 · A front output shaft bearing is a component that is commonly found on vehicles equipped with transfer cases, such as all wheel and four-wheel drive vehicles. It is essential to identify and address this problem promptly to prevent further damage to the transmission system. May 16, 2022 · What Does the Pilot Bearing Do in a Car? The pilot bearing has one primary function. Jan 4, 2023 · You don't even know that this is an input shaft bearing problem yet. From what you are describing I'm leaning towards it's likely your throughout bearing is going out. The pilot bearing on the flywheel was solid, nothing seemed loose with the flywheel/clutch assembly. What is an input shaft Jan 1, 2015 · So the input shaft won't make noise, the load is now transferred to the pressure plate and throwout bearing. Mar 19, 2019 · This is not an example of a throw out bearing noise a throw out bearing noise occurs when the bearing is in use, when the clutch pedal is being pushed dow Jul 8, 2010 · I have read several posts related to these symptoms,most say it's a input shaft bearing,but,at least a few say TO bearing. The noise comes at idle on free gear when you gi A faulty input shaft bearing can deal significant damage if not repaired. When your vehicle is in neutral, you should only hear the hum of the engine. While in movement, in all gears. I — input shaft II — main shaft П — countershaft 1 — input shaft 2 — splitter high gear wheel 3 — bearing 4 — splitter synchronizer 5 — splitter sliding sleeve 6 — IV gear wheel (broken) 7 — III - IV gears sliding sleeve 8 — II gear driven wheel 9 — rear gear shift rail 10 — III - IV gears shift rail Index: Skip to the Section on Your Type of Transmission Sound Sep 2, 2024 · To quiet the input shaft bearing, replace the bearing and front seal on the transmission. Apr 19, 2014 · Noise goes away when pedal is pressed in. It's difficult to determine where a bearing noise is coming from, this video will give examples of what a drive shaft and wheel bearing will sound like inside, outside, and while driving the vehicle. Mar 15, 2018 · It occurs whenever the crankshaft and input shaft are rotating at different speeds. I will be contacting the mechanic later today to take a look. These bearings allow the output and input shaft to rotate at varying ratios. com Understanding Input Shaft Bearing Noise Signs and Symptoms of a Failing Input Shaft Bearing One of the most common signs of a failing input shaft bearing is noise. Otherwise, the trans works normally. A clutch release bearing is different; it will make a chirping or squealing noise as soon as the bearing touches the pressure plate’s diaphragm. Input shaft bearing means transmission repair is necessary and you'll have the noise even with a clutch job. com Feb 3, 2015 · Input Shaft Bearing Noise/ Synthetic gear oil Jump to Latest 3. Trouble is that the Jun 18, 2021 · I just replaced the 5 speed in my son's WRX because it was making a loud whining noise in every gear. Will probably take some time to degrade to the point it's addressable. While stationary after starting and in Neutral 2. All gears engage like normal, shifts are. Decent price right? But, the transmission makes this noise and according to my mechanic the input shaft bearing is going out. Unlikely that either of the huge bearings would fail without a whole bunch of other symptoms, and the guide bearing would make noise all of the time if it were bad. Mar 19, 2012 · I've never seen a spec for the amount of play. For the past 30K or so I've had what I believe is input shaft bearing noise getting slowly worse. We wrap up this 3 part series by replacing two suspect bearings and getting the transmission put back together. Keeping Your Subaru Quiet — and Healthy Stick to your oil change schedule Oct 7, 2016 · This is interesting. Factory shaft was old. Sep 7, 2021 · Other than when you turn the input shaft by hand you can definitely hear that one of the bearings on the shaft in making a lot of noise. Anyway there you go, if you have a sound that makes noise with the engine off and coasting don't leave out the carrier bearing on the drive shaft for inspection. Apr 15, 2025 · Conversely, manual transmissions frequently suffer from grinding noise due to clutch wear or input shaft bearing failure. May 4, 2013 · Transmission noise fixed! center diff bearing Transmission (AT/MT) & Driveline May 3, 2016 · manual trans or automatic? Subaru manual transmissions have a bad bearing design in the tailshaft area on the transfer shaft, and they often develop issues. I started noticing this sounds upon releasing the clutch pedal and giving gas. This is when the throwout bearing should make noise. Anyone ever use an additive to quiet the bearing or help keep it going without May 12, 2015 · Welcome to NASIOC - The world's largest online community for Subaru enthusiasts! Welcome to the NASIOC. The shifter seems to move by itself as forces from the misaligned Oct 6, 2009 · You wouldn't hear the pilot bearing noise when in gear driving since, while doing so, the input shaft is rotating at the same velocity as the flywheel so the bearing really isn't doing much. I took it to a transmission shop for a free inspection. Also I sometimes hear a slight rubbing or scraping when in gear around 2000 rpm. If there is a lack of lubrication, it will cause the bearing to make strange sounds and noises. sitting in the drive way its quiet as a mouse Jan 16, 2011 · The noise is any time the input shaft is spinning - as soon as the clutch makes any sort of contact with the flywheel, it makes noise, and continues regardless of what else the clutch is doing. You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access our other features. Learn the common causes, warning signs, and how to fix noisy transfer cases to protect your vehicle. To isolate the pilot bushing or bearing from the release bearing, keep the clutch pedal on the floor and shift the transmission into neutral. Note that release bearings make noise with much less pedal travel. Has anybody had any experience with a 5mt's input shaft bearing going out? I was just curious as to how much it might cost to get fixed, or whether a tranny swap would be Just picked up an 11 STi, pretty sure I need an input shaft bearing. May 29, 2020 · Transmission Input Shaft Engine, Exhaust, TransmissionThe Following User Says Thank You to solidsnake11 For This Useful Post: Jul 13, 2009 · I currently have problem with the Pinion bearing on my Subaru Brumby, The pinion shaft that comes out of the side of gearbox to connect with cv drive shaft is rattling and noisy. May 23, 2021 · The noise when accelerating a Club Car Precedent is because of damaged input shaft bearings and/or motor bearing, a bad guide ring or a problem with the electrical fittings or loose spacers or nuts. The bearing noise I am hearing is a perfectly even sound that Oct 6, 2023 · Use the car as my daily driver and just crossed the 10,000 mile mark. For me, the sound doesn't stop until I fully depress the clutch, indicating the input shaft stops spinning at that point. Mar 21, 2023 · 3. Jun 11, 2010 · Anyone done an input shaft bearing? South West Impreza Club Forum -- SWIC What happens if a input shaft bearing fails in your car? A bad input shaft bearing allows the shaft to have too much play or movement, which creates problems with gear shafts not being properly Mar 20, 2013 · If yes then the sound is after the clutch in the drive line = input shaft bearing or something in the guts of the transmission. Nov 28, 2009 · On the EJ 5 speed's they eliminated the input shaft bearing at the front of the tranny and that seems to result in the final (main) input shaft bearing being heavily loaded. com Subaru forum. . The pilot bearing or bushing is responsible for offering ¬support to the alternator input shaft and clutch disc. Now ~1800 miles/ 3 months, they are making noise again, albeit at very slow speeds, like less than 10-15mph. Mar 26, 2016 · I know I have bearing noise on the input shaft, because I hear abnormal bearing noise in neutral. I used a clutch spline mating ring and a c-clamp Turn L seal retainer in with PVC mating tool while turning input shaft to get the point where there is binding and back off 1/4 tooth. The bearing noise completly goes away when I push in the clutch pedal. Jan 27, 2015 · Release Bearing or Pilot Bearing Engine, Exhaust, Transmission Subaru Input Shaft Bearing Noise. How do you test this in a hydraulic clutch 2003 Legacy sedan H4? In a clutch cable you loosen the clutch cable and see if it goes away or not right - if it goes away then it's the throw out bearing. May 17, 2014 · Sometimes the throw out bearing only makes noise when pressure is applied to it or removed from it. That's an unlikely scenario. The input shaft bearing on it is shot, like 3/16 play at the end of the shaft. They said the input shaft bearing was going out. Aug 5, 2014 · How To: Fix Rattling Clutch / Throw-out Bearing Transmission (AT/MT) & Driveline After lending out my 1998 subaru impreza gc3 ej16 manual transmission. Jan 9, 2010 · I have this deceleation noise that sounds like metal grinding from the front of the car. Pressing the clutch pedal presses the throwout bearing against the pressure plate fingers, which loads up the bearing, and stops the noise. 5K subscribers Subscribed Hi guys! I'm currently looking at buying a 1999 Outback Sport with about 200k miles for $2000. When clutch is pre Feb 14, 2013 · I believe this allows the 1st gear synchro a chance to slowly engage the input shaft as oppossed to the synchro harshly accelerating the input shaft from a stop to driveshaft speed. Problem turned out to be bad input-shaft bearings in transmission. Worn or damaged input shaft bearing Humming or Moaning Noise 1. Missing parts off the cap. Supra makes some clanking sounds when shift. Yes, if you were to replace the input shaft bearing, you have to split the case on the transmission and remove the entire input shaft to change it. So it's the throw out bearing or input shaft bearing. All the gears shift excellent - including the 2nd to 3rd transition. Putting it on 4 stands and running it there is a prominent noise from the transmission. Jul 18, 2022 · 2015 Forester 126k Miles, the transmission started making noise when in gear. The excess movement of the input shaft affects the alignment of the gear shafts, preventing complete engagement. 6k miles on it. Dec 30, 2014 · Its not your throw out bearing, its the input shaft bearing. Faulty torque converter or torque converter clutch Squealing or Chattering Noise 1. The only two observations that my 'newbie' Subaru ears hear is input shaft bearing noise and a pronounced first gear whine (that changes up/down with the speed of the vehicle when in first gear). At first I thought it could be the cold weather, but then I did some reading and am now convinced it could be the transmission input shaft bearing Oct 4, 2022 · In your case I would agree that it might be a throw out bearing issue. If I put a lot of power into the tranny in a low gear and suddenly clutch in I can get it to clank loudly about 10 times in a second, getting quieter Sep 9, 2011 · Wheel bearing, cv shaft, or drive shaft noise. Ever since the weather dropped, I've been hearing that noise upon startup till the car warmed up. Jun 3, 2022 · place 10 lb. All in all, this was a pretty straight forward job and must thank Storm for the input shaft Feb 19, 2019 · Wheel bearing didn't last 1800 miles/3 months I replaced wheel bearings with SKF wheel bearing in early March of this year. In some cases, when bearing pre-load is near the limit of specification, this thermally induced pre-load change may cause damage to the bearings and result in a high-pitched noise from the transmission. Contrary to what other people are saying I think it's the input shaft bearing, not the throwout bearing. Mar 20, 2010 · The input shaft of the 5MT is supported on 2 huge honkin bearings, and a guide bearing. This point takes a while to get to feel the binding. This symptom usually occurs just as the clutch is applied and is sometimes accompanied by a popping noise or sensation. On our 2008 with the 4EAT the propeller shaft started going bad at 240000km or 150000 miles. Feb 8, 2007 · my 96 subie legacy awd 5 speed is making a bearing noise, i have checked and replaced one set front wheel bearings, i was told by the dealer that it may have an input bearing falure, and it usally takes out the case too, it has 240. Videos you watch may be added to the TV's watch history and influence TV recommendations. Jan 31, 2018 · It definitely sounds like a bearing and I can reproduce it as it follows RPM while in neutral so it's not a differential. The EVO input shafts have weak ball bearings from the factory. A subaru mechanic said it was the Input Shaft Bearing. As soon as you touch the gas the noise stopes. More predominant at gears 1, 2,3. In this case it was the rear ball bearing on the main shaft. The front output shaft bearing is the heavy duty bearing installed in the vehicle’s transfer case that supports and secures the front output shaft into place. I fear it’s the input shaft bearing, but am hoping it’s just the pilot or throw-out. Jump to Latest 14K views 29 replies 8 participants last post by joneSi Feb 10, 2011 I i_ski Discussion starter 101 posts · Joined 2010 #1 ·Nov 3, 2010 Continuous chirping noise, only stops when the clutch pedal is engaged. 1) Lack of Lubrication The input shaft bearing needs constant lubrication to remain functional. My best guess would be it's the input shaft bearing. As the mornings have been progressively getting colder, i have noticed that the input shaft bearing has become more. Sep 29, 2013 · Pulled the motor and the clutch and bearing look fine. in 1990 to Present Legacy, Impreza, Outback, Forester, Baja, WRX&WrxSTI, SVX Posted April 8, 2014 · Edited April 8, 2014 by Sübfahrer Jun 30, 2025 · Sudden new noises Noise Diagnosis: Why a Dealership Helps Subaru dealerships like Subaru of Dayton use: Chassis ears Stethoscopes Subaru OEM diagnostic tools Trained techs can quickly isolate normal sounds from major issues — especially on Boxer engines and AWD systems. Here's a video, any help or ideas are appreciated in diagnosing this noise. amazon. I’ve got a 1999 forester 5mt with some input shaft bearing noise. The front u joint was probably one more drive away from grenading. Input shaft bearing noise is usually dependent on engine load but should make a grinding noise. Sübfahrer posted a topic in 1990 to Present Legacy, Impreza, Outback, Forester, Baja, WRX&WrxSTI, SVX This is a long detailed video on replacing the Input Shaft Bearing [ 806325100 ] in your 5mt Subaru manual transmission, if your Subaru isn't shifting into g Mar 29, 2020 · The Issue: Bearing noise from the left side of the Car. If your transmission makes a noise like a bad bearing or noises when shifting gears, check your transmission fluid level first. Noise stops when I put any pressure on clutch pedal. $200 in parts and repaired at home. Rebuilt. The CVT fluid was changed 1 time at 100k miles using Valvoline CVT fluid. 96 EJ22 Outback. You wil feel a really bad throw out bearing in the clutch pedal as a small pulsation Jun 27, 2022 · I was realized it was a gear rattling after replacing Clutch pack and release bearing and input shaft bearings 5 times oil change with various kind of additives. Aug 26, 2009 · Welcome to the NASIOC. Jan 12, 2010 · I recently noticed a noise coming from under the hood when the car is idling in neutral--sounds like a squeaking noise, almost like a loose belt. [] Sure, that can happen, but if John is saying that the noise is only present with the clutch engaged, then it doesn't eliminate the possibility of input shaft bearing noise. #1 Bearing: 806427060#2 Seal: Symptoms a Bad Input Shaft BearingStrange Noises in Neutral. Is there a "final word" on which bearing it most likely is,considering these symptoms? Also,other than the bearing noise,the clutch functions as it should. 2017 Subaru BRZ, 63,000 miles. Worn or damaged pump bearings 3. Every input shaft I've ever checked while doing a clutch job had some amount of play. 8K views 2 replies 2 participants last post by Wampa Feb 3, 2015 Wampa Discussion starter Jul 2, 2025 · Input shaft bearing noise is a common issue faced by vehicle owners and mechanical enthusiasts. trwmt f3z tq duz2dxl baac0 e2zr dbwo eswn 1ia hh0b