Question about 2004 GMC Envoy
Hot air flows out of the driver side while air condition is on. How do I correct this problem?
Posted by Anonymous on
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Posted on Jan 02, 2017
you need to change drivers side temp door actuator then disconnect battery for 5 seconds and reconnect after changing the part, turn key on for 60 seconds with touching heater control to allow actuator to program and then it will work.
Posted on Sep 19, 2009
driver temp control door is stuck or motor/coupling for the door is bad - dash has to be taken out to get at a/c unit - i had same problem on buick ultra
Posted on Sep 25, 2009
Probably the left temp actuator. The wires in the right I/P junction block could have poor tension also, but it's usually the temp actuator.
Posted on Oct 02, 2009
I have had this problem. I am not a mechanic...so to correct the issue temporarily, I simply turn off the car and restart. This has worked everytime for me. In extreme cases, I think you can also remove the AC fuse and start the car, which will also reset the computer. I also think that by taking the climate control off the "AUTO" setting has worked in the past.
Posted on Oct 27, 2009
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