PeterD Posted September 6, 2007 Share Posted September 6, 2007 So i figured i want to try and get my AC to work.. it didn't work when i bought the car. i push the ac button and nothing happens, the compressor dosn't engage no cliking sound, nothing. any ideas. I'll try searching in the mean time. could it be the compressor it self, or a relay?:-\ Link to comment Share on other sites More sharing options...
eagleb Posted September 6, 2007 Share Posted September 6, 2007 Is there refrigerant in the system? If it's empty/low the compressor may not engage Link to comment Share on other sites More sharing options...
idosubaru Posted September 6, 2007 Share Posted September 6, 2007 often they're low on refrigerant so i would start there. test the pressure in the system and see what you get. once the pressure is in range, the a/c compressor should kick on, if not then you need to start looking elsewhere. a quick test with the engine and everything off is to very slightly depress the schrader valve in the high or low pressure port just to see if there's any charge in the system. doesn't take any time, tools or anything really. if it doesn't do anything then you know that's your problem, it's low and likely leaks. if something comes out then it has charge in it...but you can't tell without a pressure gauge whether it's in range or not, although with enough experience you can sort of guess. other than that, slap some gauges on it and tell us what you get. there are great automotive a/c pages and information on the internet, that's a good place to start when learning/diagnosing a/c stuff yourself. do not play games with the a/c it can be dangerous. Link to comment Share on other sites More sharing options...
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