Question about 2002 GMC Envoy
Air conditioning system
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Posted on Jan 02, 2017
I had the same problem when i was working on my 1999 Buick Regal and had to disconnect the battery. I didn't reconnect in the same way that I disconnected the battery from the terminal and noticed that the driver side had no heat or air but the passenger side did. I then disconnected the battery again and reconnected it the same way and now have heat and air on both the driver and passenger side. Hope this helps. Good Luck!
Posted on Apr 26, 2009
go to a parts store such as Advance Auto Parts or Auto Zone and buy the A/C recharging kit they have with the rubber line and connector that connects only on the side that you need to recharge your system. If you can put air in your tires you can out freon in your a/c system.
Posted on Aug 05, 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
It's an ongoing problem with Envoy. I had the same problem on the drivers side not getting cold air. It cost me $600. They said it was a door inside the dash that diverts the cold air and the hot air depending on what you want. Worked good for a year, and now the passenger side gets cold air and not hot. Another $600 going out the door.
The repair shop said that sometimes they can adjust it, but most of the time they have to replace it. Good Luck
Posted on Mar 24, 2010
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