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99 chevy C1500 AC blows hot, freon ok Fan only blows on high

Ac blows hot air Checked Freon, ok fan only blows on high 1 1/2 years ago fan quit blowing. Got a solid state board inside the heater/ac control unit from a junk yard and has worked fine till now. do I need to replace that again

Posted by Anonymous on

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: 99 STS AC is blowing hot air

I had the same problem but it was blowing hot air on the passenger side of the car. I assume you have the dual zone controls that I have as well. The problem is most likely the damper that controls the flow of hot and cold air into the car. The motorized component of the damper is most likely not working and its stuck in the hot air position.

I had mine replaced by a repair shop so I cant tell you how to replace it but it may be something that you can do if you have the time and patience to work on it.

Good luck

Posted on Jun 09, 2009

heavymetal77
  • 721 Answers

SOURCE: ac not working, blows hot air only. Recharged

Check the evaporator coil by sniffing the vents,floor is best, with your tester.

Posted on Jul 16, 2009

SOURCE: 2000 dodge ram pick up - ac blows hot air and freon is good

expansion valve looks like is not openning or the capilary tube is bad

Posted on Aug 02, 2009

Biggdex35
  • 333 Answers

SOURCE: The ac is blowing hot air the freon charge is good

Is the compressor kicking on? If not and the pressure is in the normal range then I would say that the low pressure switch is stuck. It is located on the canister right beside of where you hook up the freon. Unplug it and cross out the plug and see if it starts then.

Posted on Jun 11, 2010

steve_e_uk
  • 1675 Answers

SOURCE: ac compressor working and clutch fan but only hot

hi this sounds like you will need a re-gas of the ac system...

Posted on Jul 04, 2010

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