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A/C Compressor is locked up, Serpentine bypass?

Tiny
JIMSEAGO
  • MEMBER
  • 2004 BUICK RENDEZVOUS
  • 3.4L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 321,000 MILES
My A/C Compressor is locked up. I put a new tensioner pulley on due to one on it being destroyed and found compressor locked up. I want to bypass the compressor all together but can’t find a video on that particular motor to know what the belt length would need to be. With this many miles on it I only need to get back to Iowa from Missouri with the vehicle and decide from there if want to replace the compressor. Thank you for your time.
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Tuesday, July 12th, 2022 AT 11:30 AM

1 Reply

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

Since these vehicles came with factory A/C, the catalog does not provide the belt part number or size.
To find out what size belt is needed, you will have to route a string/rope around the pulleys by passing the A/C compressor. Then simply measure the string to get the belt size.
As long it does not interference with any other pulley this method will help you determine the belt size.

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

Let me know of any questions
Thank you.
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Tuesday, July 12th, 2022 AT 12:00 PM

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