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Old 04-23-2020, 07:02 PM   #1
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Drives: 2006 Yaris
Join Date: Dec 2016
Location: GTA, Ontario
Posts: 1
Alternator alignment

Hey all. Iíve had ongoing issues with the serpentine belt screech. Iíve adjusted tension multiple times and the screech comes back. Finally I cracked the adjustment bracket. In removing the items I notice the main mounting/pivot bolt has a ton of slop in it. So when I adjust the tension, the alternator pulley becomes crooked. I have gathered the Scion xD bracket parts to modify and replace the original bracket. Big difference in thickness and quality. Iím sure this is where my squeak is coming from.

My question is...does the lower alternator mounting bolt location have a replaceable bushing? Or what would you suggest to tighten the mount? The bolt is not worn at all.
mhunter583 is offline   Reply With Quote
Old 04-23-2020, 11:08 PM   #2
Drives: Fast
Join Date: Oct 2009
Location: Coto de Caza
Posts: 1,931
Are you not tightening the bottom bolt?
2005-2008 SCCA Solo BS National Champion
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Jason@SportsCar is offline   Reply With Quote
Old 04-24-2020, 06:02 PM   #3
Drives: 2015Yaris, Son's car, 10 Prius
Join Date: May 2010
Location: Texas
Posts: 165
These cars are very particular about belts. Use an OEM belt as all the others seem to squeal. You don't have to go to the dealer as you can find them on-line. I over-torqued my belt and wore out the water pump prematurely so it was back to an OEM belt and no prob.
alanwagen is offline   Reply With Quote

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