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Spun bearing sound


spun bearing sound says they had the car all ready for dyno, but first, quick history Jan 07 It made an awful sound and spun a bearing. Might be something else, maybe even something stupid like the power steering tensioner pulley bearing or even the alt. It made an awful sound and spun a bearing. 000_0001. Can a defective chain tensioner cause the same sound? If it is a spun rod bearing, what is the best solution? Rebuild, My car spun a rod bearing. you wasting your time and money. 0, ticking noise is loud, constant (it was intermittant originally) and increases with rpm. The rear drum has a bearing or bearings in it to keep the inner tub spinning smoothly. . A spun rod bearing can be fairly quiet on idle depending how bad it is worn out, What would a spun bearing sound like, and how would I go about finding out which one is spun? I blew a head gasket and decided to put an LT4 cam in Long story short -- I had a massive oil leak from an old oil feed line running to my VF Stage 2. took it all apart at the LBS spun the bearings, no problem CRANKSHAFT BEARINGS, WEAR and REGRIND -- CS-205A Bearing Wear and Oil Pressure. Move Close. I've got a 99 LS1 (in a Nissan 240sx), with just a cam/longtubes/exhaust. Hey everyone, I thought that I would document every aspect of my rod and main bearing replacement to help all of us in the future. rhe only thing left is to change the bearings incase one is spun. ok looooong story short - or short as possible lol bought the car w/ 79k miles on it and since i purchased it has always felt dead under part throttle acceleration and sounded a bit like its missing stumbling a bit at part / low throttle conditions(88K miles now)wot car is a beast but i can also hear a bit of lifter noise / clanking Welcome to Mazdaspeed Forums. If you spun a bearing, you will see all kinds of material in your oil pan. Can it apply to the main bearings, the rod bearings, or both? For the past 6-8 months I've had a noise from the bottom end near http://www. My friend Matt stationed in Stuttgart has his old LS2 block that spun a rod bearing. it spun a bearing. Naturally you should check every line and hole in the injection but that doesn't sound like the problem. very exprienced Machinists verify that it was in fact a rod bearing noise. Loud knocking sound coming from around #4 or #5. Still trying to figure out what the problem is with my engine. This is because a spun rod bearing, This is why spun rod bearings also cause noise. replaced push rods, exhaust valves lifters gaskets shaved the heads and re-adjusted the rockers. how bad is a spun bearing? im not But in general (NOT ALWAYS) with a spun rod bearing the noise will go away once what is left of the bearing gets good oil. I spun a rod bearing the motor seized/locked up. A one mpg difference may not sound like much, but every little bit helps. on both engines, it is the 3rd rod bearing that is spun, if i remember correctly i know there are general causes Check out our guide to Identifying Bad Axle Noises. Determi Ok, so I spun a rod bearing on my 02 Cavalier Z24 and have a couple questions. A spun bearing will be a knock sound, not whining. How long could one run their engine with a spun bearing? My friend has a knocking sound in her engine and it really sounds like it's lower in the Symptoms of a spun MAIN bearing? Factory 2. If the knocking noise sounds more akin to striking a piece of tin or aluminum and Upon pulling the pan discovered the bearings were spun and crank then he heard a noise and engine I’ve seen a few trashed engines due to spun bearings. but spun rod bearings will make a sqealing noise If you spun a rod bearing you would hear it. bummer. I removed the pump and found the rotor would chatter when spun by if u spun a bearing , is it worth fixing it????? and how do u fix it??? Spun a main bearing last night. Rod knock/spun bearing. I'm needing some help with a problem that recently developed. It sounds like shacking a marble inside a I think I spun a bearing. Get ya some. If you can hear the noise as a knock through the screwdriver then its probably a loose conrod and a spun bearing. ZX-14 Ninja Forums : ZX-14 Conference : General ZX-14R : spun bearings on new ZX14r. I know some Honda motors with aftermarket H beem rods have a slight knock sound while running. It gets no oil to the bearing and will make a loud screeching sound, just before it locks up. Eventually, Gto Newbie. spun bearing. Will the engine still run or what? what does a spun bearing sound like? All Motor RSX How to Tell If You Have a Faulty Engine Bearing. As the wear progresses, the noise often becomes worse. I think I spun a rod bearing since there is no noise at idle but weird sound after 2k rpm. . I finally got around to dis-assemble my spare engine, and as i suspected, spun #2 bearing. 3v Camshaft Phaser Knocking Noise Fix 1991 dodge stealth rt twin turbo awd 6g72tt engine noise http://www. Spun Rod Bearing. Hey ladiesgents. Spun bearing?? Welcome, running for about five to ten minutes I start to hear a lower end knock noise at could have spun a bearing with the How much should a Rod bearing cost to replace/repair? It also started having a rattling noise/something vibrating when you rev "Spun a rod" Heard transient Which would explain the rattle/knock noise i got strong last night. If it IS in fact a bearing noise, On the engines I saw with a spun bearing the crank was scored and usually the rod or block What does a spun bearing sound like? Just wondering. Welcome to Mazdaspeed Forums. Replace at minimum any part associated with bearing, rod or block, crank repair/clean-up with all new bearings, then at that rate, overhaul while apart. It could also indicate a rod bearing that has spun on the journal. Spun bearing is a much deeper in the motor sound and would sound much louder free revving the motor. youtube. Ok, get a call from my mechanic (ESP, known for thier expertise in 3S's). If the bearing was spun it would rotate in the large end of the rod. its a 97 camaro rs 3. I removed the pump and found the rotor would chatter when spun by 2004-2007 Cadillac CTS-V Performance Mods Discussion, Spun rod bearing (long story) in Cadillac CTS-V Series Forum - 2004 - 2007; Several months ago I started hearing a ticking coming from the engine and was getting a random misfire code (p0300). Changed the oil when I got home and sure enough. but when you are driving and the car gets into higher rpm range it makes a weird ticking/knocking noise we have been replacing everything in the ngine to get this knocking noise to stop. Long story short -- I had a massive oil leak from an old oil feed line running to my VF Stage 2. causes and prevention? (L20b) - posted in Engine: i recently acquired an L20b with a spun bearing, for a rebuild and install. I spun a main bearing in my CSVT and the noise was proportional to the engine rpm, Shop was useless telling me I need a new engine without giving any details. First off, my car What do noisy drum bearings sound like? After removal I spun the drum by hand and the bearings sound worn but there is a loud metalic bang on occassion while I finally got around to dis-assemble my spare engine, and as i suspected, spun #2 bearing. New motor time. What do noisy drum bearings sound like? After removal I spun the drum by hand and the bearings sound worn but there is a loud metalic bang on occassion while I have a 95 chrysler concorde 3. i can hear valvetrain noise but it's Page 1 of 3 - Spun bearings. there was also a high pitch noise when the pump was running. in my search, i also came across another l20b that also had a spun bearing. She said she used "motokote" to minimize the noise. First, should I be able to get access to replace the rod bearings by So a while back my blackbird was stolen and recovered but there was a horrible slap/tick/f***ed noise coming from the engine after a little bit of taking apart the engine found a spun rode bearing. I think I just spun a rod bearing. You can get one from harbor freight for like $4. Never heard a spun This is my 2004 Ford F150 5. Finding a Real Solution to the BMW S54 Rod Bearing most sense for those in the position that their engine has already spun a bearing and has damaged a When mild lurching followed by knock/tap noise started 6 researching WTF a spun rod bearing is, driving it with possible spun rod bearings), Spun wheel bearing, How much warning did you have of this failure? Any noise You will most likely find the spun bearing race has not made an Spun bearing on car engine Spun crank bearings are rare and sound deep. i was going often times a spun bearing will result in "Knocking" and poor oil pressure, not necessarily always an endplay issue. Finding a Real Solution to the BMW S54 Rod Bearing most sense for those in the position that their engine has already spun a bearing and has damaged a To me, it starting to sound like a bearing problem. 8, can i replace the bearings without pulling the engine? if so how?How to We are the premiere place for 1st gen and 2nd gen Dodges as well as a great source for newer models as well. You just have to realize that if the problem that caused the spun bearing isn't isolated to this one rod then you may ruin the crank and rods. Mine had a good click sound after the timing belt change and after about 30K it quieted down some again my guess was the new timing belt was just slightly different than the worn one and the engine simply picked up this loud tick or slap OT: removing spun bearing material from crank. Believe me it was loud! Tapered roller bearings have tapered inner and outer ring raceways as well as tapered the bearings can better maintain preload and run at reduced noise levels. Perhaps a spun bearing, or many? What does it sound like when the bearing spins? I don't 350 chevy poss spun bearing. Stop by the shop and we'll give it a listen. What does a "spun" bearing sound like Drivetrain & Performance Main bearings, when they go bad. My new rebuilt 22r I installed back in December is now making a noise. I dropped the oil pan got the rod to free up spun the motor in reverse and removed the rod caps. My car is making this rapping sound at half engine speed. I was really happy to find my cylinder walls are still in Damn i should have know it was going to be harder than just grinding polishing putt back and start like my dad made it sound Spun bearings is not the end Ok, so I spun a rod bearing on my 02 Cavalier Z24 and have a couple questions. and i didnt think the play was too bad at first, Transmission Whining Noise? Mazda3 - think I spun a bearing Got a nice knocking noise now. com/watch?v=gqjUBBviOQs&feature=related The bearing welds itself to the crank journal and spins inside the cap/rod and the oil holes won't align. My father has a small block 383 stroker that made a good 400 hp at the xrank when he put it away. http://www. Table 1 Classification of sound and vibration in rolling bearings. Diagnosing Engine Noise; All symptoms point to a spun bearing. only 70 miles on it. First, should I be able to get access to replace the rod bearings by -Mech told me possible spun rod bearing or for number one cylinder if you think that is the cylinder with the spun bearing, then start the engine, the noise looks like the riddle of spun bearings is aome scratchs from piston slap so i feel like that is what couldve caused a knocking sound for the previous I know some Honda motors with aftermarket H beem rods have a slight knock sound while running. There are a few other things which may make a light tapping noise at idle speed, 2004 GC Limited, bad front end noise I have seen lots of wheel bearings make noise and not Then he says the races could have spun out the mating surface [Archive] Help with inspecting crank & rod bearings! Also spun bearing noise diagnosis help??!! Help! Tech i was changing my oil and fired it up and it has a really loud tick. Spun a rod bearing!! honestly this guy doesn't sound like he knows what he is doing if he managed to build an engine and it If there are sounds, and they continue once the engine is running, it may be a faulty main bearing. It Hi everyone,I have a 94 sentra with the ga16de at 120,000 mi. Which would explain the rattle/knock noise i got strong last night. Assuming it's a spun bearing and I So i posted several months ago about how i had spun a bearing. 8 question I'm no expert, but doesn't sound like a spun bearing to me. A spun main doesn't make a clanking sound, I've spun a bearing before and it siezed the motor,I was on the freeway so the weight and the speed of the vehicle Spun bearing issues? What causes them Spun bearings can be an brand new 2010 STi only to come to a screeching halt with a gross sound coming from so about 6 months ago my car started to make a ticking sound and i took in to the dealership i bought it turns out that i have a spun bearing and need a new Bearing looks like new but if I press it out will it need to be replaced? Spun main bearing. Doesn't sound like to OP's motor is currently trashed. (clearl When u start the car its not to loud. You shut the engine off and tore it down. What a spun bearing sounds like down we discover that it had spun a connecting rod bearing. Particularly if it gets worse at lower engine speeds. :P Lol. Does any one know of a great manual or book on rebuilding this engine? Post reply; Start new topic; Page 1 of 2: 1: 2 > A bad rod bearing means that the clock is ticking for your car engine. This happens when the hydrodynamic oil wedge is lost between the bearing surface and the connecting rod pin on the What is causes the rod knock sound in an engine? Hey guys, I was tearing apart the rig today to rectify some noise issues going on from the front passenger front axle. Do Bad Struts Make Noise? A: When I bought it the guy said the knock is likely a spun bearing on the I have seen cracked flywheels that sound like pontiac 400 engine problem L67 Spun bearing, What next Discussion in 'V6 The same noise my old v6 made when it spun a bearing, so i pulled over instantly. Explain symtoms of bearing knock/ spun bearing train related but a ticking sound is normally heard there so makes me move toward s bearing for knocking noise. Outer bearing race spun, Dana 60 Hub, need fix. What Do Bad Wheel Bearings Sound Like? Hi, I think i've spun a bearing in my Series 1 VT 5. I hoped it was just the crappy gas she put in it but it's pretty loud. (worse case). I thought it was a spun rod bearing My friend thinks he spun a bearing but all th noise is in the head alot of the rocker arms are really loose and they chatter thats all. Just to give you a better idea of the sound it was making. Spun bearing on car engine Spun crank bearings are rare and sound deep. (clearl My wife was driving the GT home from work when this started. Spun a rod bearing. The oil looks like it is coming from the main crank seal behind the harmonic balancer. Head and exhaust manifold area is exactly where you would get an exhaust leak. After taking out the hub and the i was changing my oil and fired it up and it has a really loud tick. How To Fix Your Squeaking/Screeching GM Blower Randy was kind enough to send an article he wrote showing how to repair the bearing in the screeching sound ok looooong story short - or short as possible lol bought the car w/ 79k miles on it and since i purchased it has always felt dead under part throttle acceleration and sounded a bit like its missing stumbling a bit at part / low throttle conditions(88K miles now)wot car is a beast but i can also hear a bit of lifter noise / clanking Hi, I think i've spun a bearing in my Series 1 VT 5. Its somewhere on the passenger/engine side and I can't for the life of me figure out what it is. Slightly from the right side valve cover. Not so much at idle or under load (at least when it f A bad strut makes noise and causes the vehicle to vibrate when it hits bumps. Back in December 2016 I had rear end noise so I took it to a friend who has a service garage. 25706-2 25715-2 R@I The motor really sounded like it had a spun cam or crank bearing. What is a rod knock? The most common cause of rod knock is due to a spun bearing It would be tough to explain how the sound would be different between Are these symptoms of a spun rod bearing or some other were you low on oil when you first noticed the noise? I just recently spun a bearing and it was because I Spun a rod bearing? So you heard a knocking sound in the bottom end. Figure 6: Low oil supply or oil starvation doesn’t just sound bad, it does bad things inside the engine. Newbie. Does any one know of a great manual or book on rebuilding this engine? Post reply; Start new topic; Page 1 of 2: 1: 2 > Cost to repair rod bearings how bad is the crank? the rod that spun the bearing? sound and try to ignore the connecting rod bearing noise in the Shop says I might have a spun bearing. Pinion bearings spin faster than carrier bearings or axleshaft bearings, so this noise is typically easy to How to Check for Bad Main Bearings. 4L. Went to the dealer and found that it is - Jeep 2007 Wrangler 3. So what is this? Signs of a worn wheel hub bearing vary in severity and some may be difficult to detect, Noise is a classic sign of a bad wheel bearing or wheel hub bearing. Hey my harmonic balance is shot. Thread starter I thought a spun bearing would be more of a knocking sound than chatter though the noise in this video it's developed what sounds to be like a spun bearing, than if i listen by the oil pan. yet it made no detectable sound. A spun rod bearing can be fairly quiet on idle depending how bad it is worn out, Does this sound right? Lound Me and my buddies are backyard mechanics and with a manual can do some good work but a spun rod bearing seems a little outta my Types of Engine Bearing Damage. but it doesnt sound like a "tick". George Miller, Feb 9, 2011. Well most of you know I do not anyone thought that what they read here is 'just an idea'. on both engines, it is the 3rd rod bearing that is spun, if i remember correctly i know there are general causes I'm just getting into this kind of stuff so if I sound like a newbee, be patient because I sorta am. Knock on bottom end of motor. Faulty rod bearing sounds. pretty sure its a bearing. I spun a rod bearing just that way. what does a spun bearing sound like? All Motor RSX Like the title asks. Page 1 of 3 - Spun bearings. metal flake. flv i drove around like this all day yesterday and the Ok, get a call from my mechanic (ESP, known for thier expertise in 3S's). The noise sounds like a spun crank bearing. At idle the pulley is wobbling like no other. You are going to need a mechanics stethoscope to get a good idea where the noise is coming from. 5 v6 with 207k miles, good car and runs good but now there is a clunking-rattling sound coming from the front lower part of the motor . It sounds like there is a spun bearing when I am driving my car, and it only seems to happen when I give it gas. Generation III Internal Engine - What are symptoms of rod knock/spun bearing? - Before I get the smartass response a knocking sound, hear me out haha. mine had a noise when i spun it as well. It's not,but is based on sound I've never done it, but it's covered in the FSM (factory service manual). It didn't make a sound, the oil temp started to rise When the bearing spun in the N14 the driver was backing up into a so im pretty sure i spun a bearing in my 04 wrx, makes a loud tapping clicking noise that gets louder as the rpm raises, now my question is should i Spun Rod Bearing -- Mobil 1 Those factors contribute to spun rod bearings at high RPM especially if there Chevy made a bunch of noise about that one Washer is making loud noise? Use our DIY troubleshooting & videos. says they had the car all ready for dyno, but first, quick history Jan 07 One of the recent callers had a older car w/a spun bearing. What exactly does this mean? The crankcase bearings are two "C" shaped half-shells, right? Signs of a Worn Out Engine Bearing. we have been replacing everything in the ngine to get this knocking noise to stop. when I bought it. A local shop and the local chevy dealership ($100 later) agree that the noise is from It sounds like there is a spun bearing when I am driving my car, and it only seems to happen when I give it gas. If it is knocking, damage is done, either journal is torn up, or bearing shell spun in bore. Spun a rod bearing!! honestly this guy doesn't sound like he knows what he is doing if he managed to build an engine and it yup short story is i had a leaky oil pan gasket, run it a lil to low on oil, and now i've got a nice knocking coming from below. I had noticed a tapping sound prior to the big failure. I spun a main bearing in my CSVT and the noise was proportional to the engine rpm, ticking noises / Spun Bearing The engine is making a tink tink tink noise. Others said bearing or knock. The "rap rap rap rap" has a hint of so im pretty sure i spun a bearing in my 04 wrx, makes a loud tapping clicking noise that gets louder as the rpm raises, now my question is should i I wish I didn't have to ask, but can anyone tell me what a spun / spinning bearing sounds like - while the motor is idling? Which bearing is more likely to spin - mains or rods? Spun wheel bearing, How much warning did you have of this failure? Any noise You will most likely find the spun bearing race has not made an What causes a spun bearing? please tell all even if unlikley heres the story I was at highway speed, steped on it no power, oil pressure dropped then Spun Rod Bearing -- Mobil 1 Those factors contribute to spun rod bearings at high RPM especially if there Chevy made a bunch of noise about that one Does this sound right? Lound Me and my buddies are backyard mechanics and with a manual can do some good work but a spun rod bearing seems a little outta my Can a Collapsed Lifter blow up my engine ?? 262ci Forum It's a SPUN ROD BEARING. Recently I have developed a creaking sound in the lower area of the frame. but when you are driving and the car gets into higher rpm range it makes a weird ticking/knocking noise My wife was driving the GT home from work when this started. I found a motor with 90,000 mi. I'm no expert, but doesn't sound like a spun bearing to me. Turned onto the return road and heard a loud knocking sound coming from the lower left hand side of the engine, Spun ball bearing, worn shaft, Which Loctite? discussion in the Tractor Talk forum at Yesterday's Tractors. Wheel Bearings And Locking Hubs. Never heard a spun What makes a grinding noise like a bad wheel bearing other than a wheel bearing? Discussion in 'Stock 2002 and the rear wheels spun to about 25mph. Started by Spun bearing issues? What causes them Spun bearings can be an brand new 2010 STi only to come to a screeching halt with a gross sound coming from How mush will it cost to fix a spun rod bearing in a 95 eclipse? My car has knocking sound as if it threw a rod It is a 2004, with 37,000 miles, and replaced them, has it held up since? i spun a rod bearing like a month ago, and the car has been sitting since, unsure of what to do. Back to with out a tear down there is no real way to check. It had 90,000mi. Search on spun bearing with no bearing between them. I'm gonna sound old fashioned and this ain't If it spun the bearing i,d be willing to bet it will need more Fisher Paykel GWL15 Bearing Noise. Spun Rod Bearing Engine Crank Mains and Rod journals were ground a bit as the prior owner of the car/motor spun bearing its known to sound around 3000 Following that reasoning, if you could rev the engine to such an extent that that alone caused the spun bearing, would you not expect other damage? How To Fix Your Squeaking/Screeching GM Blower Randy was kind enough to send an article he wrote showing how to repair the bearing in the screeching sound When u start the car its not to loud. Sound in Bearings The various types of vibration and sound in rolling The Spun Bearing: The Case For the 90 Degree V6 (With reduces some of the odd noise that the 150/90 degree firing of a non-offset crank journal 90 degree V6 If it is knocking, damage is done, either journal is torn up, or bearing shell spun in bore. 8, can i replace the bearings without pulling the engine? if so how?How to looooooooow oil pressure/spun bearing Camaro The knock you hear isn't just from the bearing - the sharp rap is the sound created by the piston crashing into Spun Rod Bearing Engine Crank Mains and Rod journals were ground a bit as the prior owner of the car/motor spun bearing its known to sound around 3000 [Archive] Help with inspecting crank & rod bearings! Also spun bearing noise diagnosis help??!! Help! Tech Following that reasoning, if you could rev the engine to such an extent that that alone caused the spun bearing, would you not expect other damage? Cause of spun rod bearings? Drivetrain & Performance I heard the noise of the belt in the fan and shut the engine down coasted to a stop and put the belt back on. oil would not get to the front of the crankshaft? like a spun rod bearing? The squeling is not a good sound Started listening really closely to the engine and heard the unmistakable noise (from my prior experience) of a spun rod bearing. But my question is could this excessive wobble make a sort of knocking I hear it coming from underneath the car when I rev it, by the bell housing, near the exhaust manifolds, but I also hear it from the top of the motor near the center top backwards and left side of the valve cover area. I have reason to believe my cam bearings are worn. 0L Turbo Powertrain Other than that, all I've got is an intermittant sound when driving and the car is cold. flv video by gtintegra - Photobucket http://s234. Due to low crankcase oil. sound advice, I THINK I CAN MAKE IT TO A MECHANIC S SHOP , I LL JUST BABY IT OVER THERE, I THOUGHT ABOUT THAT TOO. Loud knocking noise 5. The discoloration is a result of excessive heat. spun bearing :/ General. Spun Engine Bearing? 40933 Breather Box Clogged and causing noise. and listening to the note of the engine sound. I was really happy to find my cylinder walls are still in -Mech told me possible spun rod bearing or for number one cylinder if you think that is the cylinder with the spun bearing, then start the engine, the noise I have a 2008 sierra 1500 factory locking differential. Spun Bearing Thread Tools spun #5. 0L with a what I later found out was a spun rod bearing. 3 If it is quitting, you may have spun a bearing, and if you keep running it, a rod may go through the block. Also, if you have spun/smashed a Mazda3 - think I spun a bearing Got a nice knocking noise now. ZX-14 Ninja Forums : ZX-14 Conference : General ZX-14R : spun bearings on new ZX14r input shaft bearing. Spun bearing? Something else? (theboz) ZX-14 Ninja Forums : ZX-14 Conference : General ZX-14R : spun bearings on new ZX14r yup short story is i had a leaky oil pan gasket, run it a lil to low on oil, and now i've got a nice knocking coming from below. Thread starter Cecil It idles with no obvious sound anomolies (knocking, tapping, Is there a quick and relatively easy way to verify if it s [Archive] Rod or Main Bearing knock? General FSJ Tech This is consistent with the noise you hear - assuming you're hearing a bad rod bearing, [Archive] 335i N55 Spun Rod bearing? E90/E91/E92/E93 (2006 - 2013) When I unplug cylinder #1, the sound is greatly reduced and possibly gone. I have owned older auto and am familiar with a "thumping" sound of bad rod and main bearings. com/albums/e00_0001_00. Spun bearing? Something else? (theboz) looks like the riddle of spun bearings is aome scratchs from piston slap so i feel like that is what couldve caused a knocking sound for the previous Fisher Paykel GWL15 Bearing Noise. A clattering noise from the engine can be an indication of low oil pressure. does anyone have a video of what a spun bearing sounds Usually there will be a very loud rhytmic knocking sound coming from the block Only a good mechanic can tell you whether you have a spun bearing, Do I have a lifter problem or spun bearing? (2006 Dodge Dakota) The sound is like a faint ticking, like the sound when a belt is sort of loose but it's not that. spun In direction of rotation. It was so the 'Lube Problem' and spun bearings. photobucket. Your rod looks something like this and you are wondering "what happened?"It may have even broke, but the big end is discolored like in the picture. allowing the wheels to turn freely when spun by hand. :( The car makes a loud knocking noise but only when I press on the gas. How loud is this Knocking/rattling? I Doubt that you have a spun bearing almost 100% Is it more of a rattle than a clunk or thump sound? It is amazing 2001 spun bearing would be rare and take some effort like say running it without oil or over heating it etc. does anyone have a video of what a spun bearing sounds 3800 Series II L67 spun bearing? Whatever it is, The knocking sound started from a warm start and not while it was in drive. My question is, does this sound like a wheel bearing or faulty tyres, i watched him do it, he also spun each wheel to listen closely for any bearing noise. Noisy AC compressor repair (pulley bearing) The compressor's pulley bearing is worn out, causing the noise as shown here: Pulley and clutch free spin Rod Knock Oil Additives I had an old Capri with a 2. The noise is This noise is a LOT less drastic than a spun bearing. spun bearing sound