A/C Cycle Switch

Tiny
SIKES
  • MEMBER
  • 1997 CHEVROLET TRUCK
  • 131,000 MILES
My truck keeps blowing the A/C cycle switch, the A/C freezes up and stops blowing after I have had it running about 45 minutes. I have had the switch replaced twice. I have also replaced the heater control assembly with one that I bought online from LMC Truck.
Sunday, May 19th, 2013 AT 2:24 PM

2 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,796 POSTS
There may be an issue with the port not giving the correct reading to the hvac unit.

What are the pressures?

Roy
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Sunday, May 19th, 2013 AT 3:12 PM
Tiny
SIKES
  • MEMBER
  • 2 POSTS
I don't know what the pressures are, I will have to take the truck to a repair shop. I will let them know what your question is and maybe that will help them sort it out. I will reply to you to let you know what they say.

Thanks for your help and quick response.
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Monday, May 20th, 2013 AT 5:09 PM

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