Cad1 Posted October 14, 2006 Report Share Posted October 14, 2006 The AC was working fine then it became hot. It blows heat with AC/Econ or Heat selected. Any ideas where to start on this one. I got a feeling it's going to be way up under the dash. And the compressor does work so I think the duct must be stuck in one direction. Thanks Cad1 92 Deville w/210k miles Link to comment Share on other sites More sharing options...
Ranger Posted October 14, 2006 Report Share Posted October 14, 2006 Start by checking for DTCs. Link to comment Share on other sites More sharing options...
Cad1 Posted October 14, 2006 Author Report Share Posted October 14, 2006 No codes in the system. I was hoping that would tell me too. 92 Deville w/210k miles Link to comment Share on other sites More sharing options...
adallak Posted October 14, 2006 Report Share Posted October 14, 2006 The AC was working fine then it became hot. It blows heat with AC/Econ or Heat selected. Any ideas where to start on this one. I got a feeling it's going to be way up under the dash. And the compressor does work so I think the duct must be stuck in one direction. Thanks Cad1 The airmix door actuator might disengage. Try running temp. setting from 60 to 90 and back several times. You can see what is going on if you remove the glove box. The saddest thing in life is wasted talent Link to comment Share on other sites More sharing options...
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