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Old 07-09-2011, 02:54 PM   #6
Registered User
Join Date: Jul 2011
Location: Central Missouri, USA
Posts: 6
My Ride: 2001 330i (Manual)
After doing everything suggested, the water pump pulley has play. Not the pulley, but the entire thing. When I spin it, it's noisy but doesn't squeal. It probably causes the squeal though. The A/C tensioner bearing is a little noisy but not bad. I'll replace it anyway. Everything else is smooth.

Looks like the fix might be a water pump...

EDIT: Ah ha! Check this: It is the water pump.

EDIT: The idler tensioner pulley was on backwards. Fixed it; see my next post below.

Last edited by 7001Q; 07-15-2011 at 07:46 PM.
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