A/C Serpentine Belt

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01-21-2011, 05:51 PM

in tune

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Join Date: Jan 2011

Posts: 1

A/C Serpentine Belt

Anyone experience a high pitch screeching at idle. belt tensioner already replaced?

01-21-2011, 09:52 PM

RKSmith163

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Join Date: May 2008

Location: Blacksburg, VA

Posts: 834

My wife's Trailblazer was doing the same thing. Replace the tensioner twice and finally switched out the new Dayco belt for a Gates and the problem went away. Not saying this is your problem but it fixed mine.

01-27-2011, 09:49 PM

2wheelmonster

Senior Member

Join Date: Jan 2009

Posts: 1,439

I found that some parts are just bad from the get go. Like RK you never know

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