Question about Air Conditioning and Heat for GMC Terrain

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Ac quit working on 2010 gmc terrain

Had intermittent issue while under wrranty where ac system would not cool. dealer, of course, never found any problem. now has quit cooling completely. don't know if it's a related issue or not, but occasionally the radio will just not work when you start the car. usually fixes itself after a few restarts.

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Could be! Perhaps there is an intermittent ground strap that is not making good contact. They are all over the place attached to the chassis and frame of the truck. Under the dash are the ones for the radio, and the radio antenna is the other ground where it connects to the body underneath. The Ac grounds follow the compressor lines.

Posted on Jan 14, 2013

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