dieselkid Posted April 19, 2012 Share Posted April 19, 2012 hey guys quick question, i have a 2007 mack Ch600, when i flip on the AC nothing happens. all the lights come on but no cold air. i have opened the hood to see if the compressor kicks on but it dose not. i am guessing that is one of the senors on the system, any input is well needed. Quote Link to comment Share on other sites More sharing options...
Timothy B Demarco Posted May 6, 2012 Share Posted May 6, 2012 Low on freon, recharge the system and check your A/C relay. Also check the belt. After that go from there. Quote Link to comment Share on other sites More sharing options...
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