How to replace the serpentine belt?

Tiny
MICKTHEMACK24
  • MEMBER
  • 2005 CADILLAC CTS
  • 3.6L
  • V6
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
Can’t figure out how to change the serpentine belt in my car listed above.
Saturday, September 25th, 2021 AT 3:04 PM

1 Reply

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

To get the belts out you will have to turn the belt tensioner, this will loosen the belt and you can remove it.
Keep in mind to have a mental diagram of how the belt routes. You can also take a picture of the routing of the belt before removing the old one.
It will make the task easier if you can get a serpentine belt tool. Those tools you can 'rent' from your local auto parts store.

Here is a helpful guide:

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

I have attached the replacement instructions below.

Please let me know of any questions.
Thank you.
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Saturday, September 25th, 2021 AT 3:56 PM

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