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Noise from serpentine belt area?

Tiny
BHAMDOC1973
  • MEMBER
  • 2004 BUICK LESABRE
  • V6
  • 2WD
  • AUTOMATIC
  • 198,000 MILES
Washed the motor after fixing a few oil leaks. Turned it on today and it's making a sound with the A/C on all of a sudden. Turning compressor off eliminates it. But I have a suspicion the compressor is putting load on the belt/tensioner and that it is not the compressor. I am just looking for another set of eyes. Isn't this loose? And doesn'tt this mean the tensioner is bad?
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Monday, October 3rd, 2022 AT 4:32 PM

2 Replies

Tiny
BHAMDOC1973
  • MEMBER
  • 1,557 POSTS
Here.
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Monday, October 3rd, 2022 AT 4:51 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,526 POSTS
Thanks for the videos, they help. it sounds like you have a tensioner pulley that needs replacement which is common. here is how you can change the tensioner out in the images below.

This video shows the job being done on a similar car:

https://youtu.be/CFlpHj67peQ

Check out the images (below). Please let us know if you need anything else to get the problem fixed.
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Tuesday, October 4th, 2022 AT 9:32 AM

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