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A/C blowing hot air

Tiny
MATTHEWDEWAYNE
  • MEMBER
  • 2004 CHEVROLET 1500
  • 4WD
  • AUTOMATIC
  • 200,000 MILES
My air was working before, I took it to the shop to get the rear main seal fixed and when I got the truck back my air started blowing hot air. I got a new climate control module and it still was blowing hot air. What else can it be?
Sunday, August 5th, 2018 AT 11:35 AM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon.

Did you see if you have any pressure in the Freon system? It needs a minimum of 20 lbs to close the low pressure switch.

Also, check to see if any wiring was disturbed at the compressor.

Roy

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

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Sunday, August 5th, 2018 AT 2:28 PM

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