Air conditioning not blowing cold air?

Tiny
KSCOUGHRAN
  • MEMBER
  • 2011 CHEVROLET SUBURBAN
  • V8
  • 4WD
  • AUTOMATIC
  • 210,000 MILES
A/C won’t blow cold. It’s been charged, blew cold for bit but back to warm again. The control panel is not showing snowflake to show it’s on.
Tuesday, July 19th, 2022 AT 1:26 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,690 POSTS
It sounds like you have a leak, once the system if full it works okay, but when the refrigerant leaks out it stops working. I would start the engine and turn the A/C on, then lift the hood and see if the A/C compressor clutch is turning (front) if not the system is low again. Here are two guides to help us see what's going on. Please go over them and get back to me so I can help you fix it.

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

and

https://www.2carpros.com/articles/air-conditioner-leak-detection

Please run down these guides and report back.
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Wednesday, July 20th, 2022 AT 1:19 PM

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