Belt drive installation

2011 CHEVROLET IMPALA
287,453 MILES • 0.5L • 6 CYL • 2WD • AUTOMATIC
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KYAZZIE19
  • MEMBER
  • 1 POST
Diagram, what could cause to come off. Can I just put it right back on?
Mar 29, 2020 at 4:00 PM
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DANNY L
  • CERTIFIED EXPERT
  • 5,648 POSTS
Hello, I'm Danny.

It's possible the belt tensioner is weak/not holding tension any longer.Here is a tutorial showing what is involved for its replacement and replacing the belt:

https://www.2carpros.com/articles/replace-serpentine-belt

https://www.2carpros.com/articles/how-a-serpentine-belt-tensioner-works

https://www.2carpros.com/articles/serpentine-belt-tensioner-replacement

I've attached a diagram below as you requested on the proper belt routing.Hope this helps and thanks for using 2CarPros.
Mar 29, 2020 at 5:00 PM