A/C blows hot and shuts off when turning to the highest setting

Tiny
MOOSEROO88
  • MEMBER
  • 2006 GMC C2500
  • 6.6L
  • V8
  • 4WD
  • AUTOMATIC
  • 197,324 MILES
When I go to turn on the A/C it only blows out hot, and then it will shut off if I try to turn it to the highest setting, not sure if its an actuator or if problem is else where. At the time it went out, I had just blown a fuse for the cigarette lighter. I replaced the fuse for that but wasn't too sure if that could have affected another fuse that maybe controls part of the HVAC or something?
Sunday, July 28th, 2019 AT 11:11 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 43,110 POSTS
Can you tell if the heater is on is it that kind of hot like the actuator is on heater? or is it blowing warm because the compressor is not running? This guide can help us get started:

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

Please run down this guide and report back.
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Monday, July 29th, 2019 AT 11:38 AM

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