Blew the high pressure AC line?
If that is the issue you need a new line and new refrigerant.
2003 sierra gmc air conditioner Fan switch only work on #3 three weeks ago, now it only works on # 5. Do I need to buy the Temperature Control No Mounting Hardware ?
my fan switch only worked on 4 & 5 had to get a new blower resistor now works on all
hi. my 2014 gmc sierra air conditioning was blowing cold air and suddenly went "pop" and started blowing hot air. no leaks and it works but blows hot air . any ideas on whats wrong?
GMC Sierra 1500
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Maintenance & Repair
Have a 1999 GMC Sierra 1500 w/ 5.03 engine. We have been having problems with AC starting to blow warm air, we have to shut it off a few minutes and restart and it will usually start to blow cool agai...
1999 GMC Sierra 1500 SL Extended Cab SB
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Maintenance & Repair
My 2003GMC has a 5 speed AC fan. The fan only works on the high speed. The slower speeds don't work at all. Does any body have any idea what the solution is to this problem would be?
2003 GMC Sierra 1500 STD Extended Cab LB
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Maintenance & Repair
Checked the dashboard fuse and it is okay. Found a relay on firewall, but how can I tell if this is problem?
1988 GMC Sierra 1500
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Maintenance & Repair
The dealer listing on my truck states Air Conditioning: Manual Does this mean air conditioning or ventilation?
2005 GMC Sierra 1500 Work Truck Standard Cab LB
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General
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