C32 AMG, C55 AMG (W203) 2001 - 2007

Sqeaky motor sound

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Old Jul 13, 2007 | 08:11 PM
  #26  
moorfan's Avatar
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Joined: Jan 2007
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From: Virginia
2002 C32
Originally Posted by demigod
My car started making a loud squeaky sound when I was driving. It's coming from one of the pulleys on the motor.. I sprayed some grease in the top left pulley bearing and it went away while it was in the driveway, but I didn't drive it after so I don't know if it's gone for sure. Also the check engine light came on the same day that the sounds started happening. I didn't drive the car today but tomorrow I will be taking it in to have it looked at. I made a vid and posted it on youtube ..anyone know what it is? TIA!

Link:
http://www.youtube.com/watch?v=HgOgGQSONv8
I developed the exact same noise as in the video recently, and finally got around to checking it out today. It seems to be the "tightener pulley" which is below the pulley to the left of the supercharger pulley.
Part number 1122020019.
The part is $33 from Duval. Interestingly, my supercharger pulley spins pretty quietly. I was surprised.

Regards,
pete
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Old Sep 25, 2007 | 01:26 PM
  #27  
TopGun32's Avatar
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Joined: Aug 2005
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From: Southern Cali (Ontario)
Originally Posted by moorfan
I developed the exact same noise as in the video recently, and finally got around to checking it out today. It seems to be the "tightener pulley" which is below the pulley to the left of the supercharger pulley.
Part number 1122020019.
The part is $33 from Duval. Interestingly, my supercharger pulley spins pretty quietly. I was surprised.

Regards,
pete

I'm changing this pulley too.

the noise is back and i believe its a combination between the pulley and komp bearings..

so I'll be changing them both in a few weeks.
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