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AC does not work

Tiny
ALLEN EHRHART
  • MEMBER
  • 1997 CHEVROLET SUBURBAN
  • 5.7L
  • V8
  • 2WD
  • AUTOMATIC
  • 329,400 MILES
The clutch won't engage. The fuses in the under hood fuse relay center are good and so is the wiring. I can jump the A/C relay fuse and the clutch engages, however it stays engaged even when the A/C is off, which in turn causes difficulties when I start the vehicle.
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Friday, May 24th, 2019 AT 3:07 PM

1 Reply

Tiny
SCGRANTURISMO
  • MECHANIC
  • 4,897 POSTS
Hello,

This could be an internal short circuit in your A/C compressor itself. In the diagrams down below I have included factory diagnostic troubleshooting procedures for your vehicle's A/C compressor. You will need to use a multi-meter and one test calls for the use of an analog voltmeter. I have included a link for you to go to below if you are unfamiliar with how to use one:

https://www.2carpros.com/articles/how-to-use-a-voltmeter

Please get back to us with what you are able to find out.

Thanks,
Alex
2CarPros
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Friday, May 24th, 2019 AT 9:57 PM

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