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A/C does not work at all

Tiny
JOSH KNUST
  • MEMBER
  • 2005 CHEVROLET EQUINOX
  • 131,062 MILES
It just blows hot air, it does not work at anytime. I checked the relay the fuse the fan seems to be working. I also used Freon and pressure is where it's supposed to be. What could it be?
Friday, July 12th, 2019 AT 2:55 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good evening,

What are the high and low side pressures?

Does the compressor engage when you turn on the AC?

https://www.2carpros.com/articles/car-air-conditioner-not-working-or-is-weak

I attached a wiring diagram for you to view. Check the fuse I listed and circled for power on both sides of the fuse.

Remove the relay and test the 4 terminals. 2 terminals should have power with the key on.

Roy

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Friday, July 12th, 2019 AT 5:16 PM

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