Question about 2003 Chevrolet TrailBlazer

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2003 Chevy Trailblazer A/C Problem

The compressor won't kick on, but had the compressor checked and everything is operational and freon level good, one guy said that it is probably the vent stuck open on only allowing heat to come out and the control module is bad. He wanted to charge around $900. I was a little sceptical so I got a second opinion. And seeing as how the A/C did work fine before, I didn't see how it could just all of a sudden have multiple problems. The dealership (second opinion) told me more than likely it was the HVAC control module, and it would make it appear to be a vent stuck open as well. Also when I press the A/C button or the recirculation button, no lights come on and of course no compressor turning on either, nothing but hot air coming out.

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Try jumping the low side pressure switch on the accumulator if compressor comes on then it is this switch bad.
when you say blowing hot air is it blowing heated air?or just warm due to compressor not kicking on

Posted on Sep 19, 2008

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