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Old 12-07-2005, 10:18 AM   #1
Steven Romero
Scooby Newbie
Member#: 77537
Join Date: Dec 2004
Location: Houston, TX - Spring Branch
2002 Impreza WRX
WR Pearl Blue

Default Alternator belt - replaced and squeaking

Hello everyone.

I recently replaced a frayed alternator belt with one I bought at O'Reilly (GAT Multi-V groove belt part #K050350). I think I got the wrong belt though as it is squeaking in 1st and 2nd gear when speeding up. This is very annoying.

I can't say for sure, but I think I was given the wrong part. The belt was very easy to replace, but when I went to tighten it up I pulled the alternator all the way "up" until it wouldn't go "up" in the slider anymore, and the belt was still "loose" in my opinion.

Are there some other adjustments I'm missing here besides the tensioner bolt that keeps the slider in place and the brass bolt that holds the alternator opposite the tensioner?

Like I said maybe I have the wrong belt, or perhaps the O'Reilly belt isn't the proper specification. I was going to go to the dealership this weekend, and pick up a Subaru belt.

Can anyone contribute?


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Old 12-07-2005, 11:24 AM   #2
Scooby Specialist
Member#: 90691
Join Date: Jul 2005
Chapter/Region: MAIC
Location: Manchester, Maryland
2005 STI / 2009 STI


Sounds like you have it. The belt sounds like it is too long and it is too loose to run properly....
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Old 12-07-2005, 01:03 PM   #3
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Member#: 6551
Join Date: May 2001
Chapter/Region: MWSOC
Location: Carol Stream, IL
'01 GC8 Dinged STM
'09 Concours 14 ABS Black


FWIW aftermarket belts are ususally crap. they have high concentrations of metals in them to make them cheap. I always get OEM belts for cars.
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