Question about Buick Cars & Trucks
When it rains a lot or it's wet outside, my serpentine belt squeals when idling. When I am accelerating there's no issue at all. When it's dry outside there is also no issue.
I would think your belt might be stretched and need replaced. If you look at your belt tensioner there should be lines that indicate proper wear position. If the line is all the way to one side and not in the middle it indicates that the belt is too long.
Posted on Apr 24, 2013
Testimonial: "I checked the tensioner and it looked fine. So, I bought a new belt, and no noise at all, even though the old belt didn't look worn at all. So I'll just keep the old one as a back up in case anything happens. "
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Posted on Jan 02, 2017
SOURCE: Serpentine Belt
Generally there is a sticker under the hood, showing belt routing. If not, get a cheap (usually under $20) manual... not only will you learn belt routing, but tips on tensioner adjustment, necessary to replace belt. Even a cheap manual includes lots of stuff you may need to know in the future!
Posted on Dec 26, 2008
I found the diagram in my owner's manual.
I replaced the belt on mine just 2 days ago. All you need to do is remove one bolt from the lower motor mount and remove the spacer. After you relieve the belt tensioner, the belt will slip right through the gap. Don't forget to support the engine before removing the bolt. As a backup I took a photo of the belt with my digital camera beforehand... just in case.
Posted on Sep 23, 2009
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