Question about 1994 Chevrolet Camaro

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Air conditioner our ac just stopped working. the compressor is still kicking off and on, but only hot air blows. it is not low on frion. we replaced the high pressure switch and that did not help.

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Check the fuses and the relays first,,,the relays are under the hood and the fuse panel is under the drivers side panel inside the car.

Posted on Aug 15, 2008

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AC compressor won't turn on by itself.


I would check the low pressure switch next. The switch cuts power to the compressor if the pressure is too low. The switch can fail.
Same goes for the high pressure safety switch.
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You need to hook up a set of AC pressure gauges to the low side charging port and read the system pressures with the AC compressor turned on and running, it should be around 28-32 PSI. If the compressor press is correct you have some other problem like a broken air temperature control blend door inside the dash air ducting.

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A/C stopped working and blowing hot air. Is there a fuse to check?


In almost every case, when hot air blows while AC is turned on, it's an indication the system is low on refrigerant. This could be due to a leak in the system. There are do-it-yourself kits sold at most auto parts stores or a qualified service station can recharge your system (they have to check for leaks prior to recharging the system).

If you can hear the compressor kicking on and are still getting hot air, check coolant level. If coolant level is good and compressor is kicking on, you may need to change out your thermostat.

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I have a 2008 pontiac g5 and when the air conditioner is on it is blowing hot air instead of cold


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My 2002 Expedition air conditioner will sometimes blow hot air and others cold air


I would check the following possibilities:
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Could be other issues, but I would start with these.

Good luck

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1 Answer

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1 Answer

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