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E36/7 Z3 (1996-2002)
E36/7 Z3 Roadster, Z3 coupe, Z3 M Roadster and Z3 M Coupe talk with our gurus here.

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  #1  
Old 04-04-2014, 06:58 AM
tghoeken tghoeken is offline
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Location: US Huntsville Alabama
 
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Mein Auto: 1998 Z3 Roadster 1.9
Squeaky clutch

Newbie here. Just purchased a 1998 Z3 roadster and was trying to resolve a squeaky clutch noise. I think it is coming from near the trany when I push in the clutch pedal. Any ideas on how/if you can lube this to get the squeaking out?
Thanks in advance!
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  #2  
Old 04-04-2014, 07:39 AM
Bob2.8 Bob2.8 is offline
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Does it only squeak when the pedal moves or does it squeak all the while the pedal is down?
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  #3  
Old 04-04-2014, 07:42 AM
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vintage42 vintage42 is offline
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Mein Auto: 1997 BMW Z3 1.9 5MT
If the pedal is stiff and the squeak is from under the dash, it would be the clutch pedal bushing.
I bought both the plastic and the bronze and prefer the bronze:
http://www.bimmerbum.com/bmwseoibrclp.html
Access is hard, especially if the seat is not removed. There several DIYs:
http://e36diy.com/bmw-e36-328-325-31...all-guide-diy/
http://forums.bimmerforums.com/forum...shings-Install
http://forums.bimmerforums.com/forum...2#post26773502
And videos:

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  #4  
Old 04-04-2014, 08:58 AM
tghoeken tghoeken is offline
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updated: It seems like the squeaks are both at the pedal and in the engine compartment and only when being pressed. The engine area squeak is louder.

Last edited by tghoeken; 04-04-2014 at 09:37 AM.
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  #5  
Old 04-04-2014, 09:51 AM
Bob2.8 Bob2.8 is offline
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Quote:
Originally Posted by tghoeken View Post
updated: It seems like the squeaks are both at the pedal and in the engine compartment and only when being pressed. The engine area squeak is louder.
Hmm, I would start with the bushings then see.

http://www.bimmerfest.com/forums/sho...squeeky+clutch
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  #6  
Old 04-04-2014, 10:08 AM
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vintage42 vintage42 is offline
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Quote:
Originally Posted by tghoeken View Post
updated: It seems like the squeaks are both at the pedal and in the engine compartment and only when being pressed. The engine area squeak is louder.
I don't think the clutch can make a noise in the engine compartment unless the engine is running. And a bad throwout bearing would sound different from a squeak. If you hear the squeak with the engine off, it's the bushing under the dash.

Last edited by vintage42; 04-04-2014 at 10:09 AM.
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  #7  
Old 04-04-2014, 11:15 AM
jaredfarouki jaredfarouki is offline
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Would bad bushings also cause play in the clutch pedal?

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  #8  
Old 04-04-2014, 02:08 PM
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vintage42 vintage42 is offline
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Yes.
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  #9  
Old 04-28-2014, 11:24 AM
tghoeken tghoeken is offline
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Well this weekend I replaced the seat bushings and while I had the seats out I did the clutch pedal bushing too. The clutch bushings that were in there looked new. I still have the squeak when I push in and as I release off the pedal and it only occurs during the actual movement of the pedal. With my head under the dash and near the pedals it still sounds like the noise is on the other side of the firewall. Again, the noise is during depression and release of the clutch pedal and you hear it both when the engine is running or engine off. This is my last squeak to fix!
Where could I look next?

Parts list shows a input cylinder clutch (inside) and an output cylinder clutch in the engine compartment. Could it be that the clutch needs to be bled?

Last edited by tghoeken; 04-28-2014 at 11:36 AM. Reason: add info
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  #10  
Old 04-28-2014, 11:48 AM
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vintage42 vintage42 is offline
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Which clutch pedal bushings did you use, plastic or bronze? Is the squeak completely unchanged? Did new bushings reduce the play in the pedal?
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  #11  
Old 04-28-2014, 11:55 AM
tghoeken tghoeken is offline
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I used plastic bushings and white grease. I just saw another posting video and I think that the issues are pointed out there. so that is my next step, although getting under the car is not my best thing to do.
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  #12  
Old 04-28-2014, 03:52 PM
Blacklane Blacklane is offline
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There is a clutch-fork pivot inside the bell housing of the transmission. The original pivot was nylon, but sometimes people replace them with steel ones. They can squeak. I suspect this is what has happened to your car. I really don't think there is a way to fix that without removing the transmission and either lubricating the pivot or replacing it with a nylon one.
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  #13  
Old 04-28-2014, 04:36 PM
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vintage42 vintage42 is offline
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Quote:
Originally Posted by tghoeken View Post
... I just saw another posting video and I think that the issues are pointed out there. so that is my next step...
What a great find:
Quote:
... Put the car up on ramps, then remove the clutch slave cylinder slowly and prop it on the frame somewhere.
You can put several fingers into the bell housing and move the clutch actuating lever back and forth.
Now making sure that the lever is fully forward, take the spray lithium grease with a spray tube attached, put the tube into the bell housing hole and angle it toward the throw out bearing. spray liberally as you move the spray tube all around...
http://forum.e46fanatics.com/showthread.php?t=834188
Who'd have thought the throw out bearing could squeak.
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  #14  
Old 04-28-2014, 07:50 PM
Blacklane Blacklane is offline
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I'm not sure it's a great idea to liberally spray lubricant around the clutch. Some of it can spin onto the clutch and the rest will attract dust and become a gummy mess. Normally, there is only a tiny amount of grease at the fork points and at the pivot.
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