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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Whining noise after clutch replacement



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      10-02-2015, 04:20 PM   #1
Royal-motorsport
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Whining noise after clutch replacement

So i just got my clutch and flwheel replaced + CDV delete. OEM flywheel and a 335IS clutch assembly on my 07 335i took the car from the shop everything runing smooth and all once i got home i noticed a sort of woooooooo on idle, if i push the clutch pedal it goes away once released it comes back. Its not loud at all you got to pay attention to be able to hear it. But i heard it and now its buging me. Called back my mechanic and i'll be bringing it back for him to check it out. Now i read around didn't find much info some say it would go away after a while others say that the throw out bearing could have been damaged during the instal but if it was the case it would shatter or something

Any input on this? i know a lot of guys have the IS clutch in do they all do this? M3's seem to have clutch shatter but didn't find anything on this one


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      10-02-2015, 08:02 PM   #2
JasW
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My IS clutch doesn't do anything like that at all -- no sound like that or any sound that goes away when I depress the clutch. Definitely bring it back in.
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      10-02-2015, 09:11 PM   #3
stanlalee
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I've had that from day one (exactly as described) since installing the 335is clutch. I didn't notice it right away mainly because I probably subconsciously usually have the clutch pedal pushed down most of the time. I planned on taking it back but 20k miles later I haven't lol. There are several potential reasons for the noise but any cause short of loose flywheel bolts I'm not willing to have the trans dropped.
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      10-02-2015, 10:55 PM   #4
Royal-motorsport
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Quote:
Originally Posted by JasW View Post
My IS clutch doesn't do anything like that at all -- no sound like that or any sound that goes away when I depress the clutch. Definitely bring it back in.
Good to know thank you, going back to show it to him, he seem to be leaning towards redroping the trans to see whats going on.

Quote:
Originally Posted by stanlalee View Post
I've had that from day one (exactly as described) since installing the 335is clutch. I didn't notice it right away mainly because I probably subconsciously usually have the clutch pedal pushed down most of the time. I planned on taking it back but 20k miles later I haven't lol. There are several potential reasons for the noise but any cause short of loose flywheel bolts I'm not willing to have the trans dropped.
Well after 20k miles if nothing got worse i don't think it should be anything major...we'll see

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      10-31-2015, 04:38 PM   #5
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Alright So just to update this thread, got my car back after a second clutch kit and noise is now gone Not sure what happened before if it was install related or defective part anyways its all good now.
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      11-01-2015, 11:16 AM   #6
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Pilot bearing could be bad in the flywheel.
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