Question about 1999 Chevrolet Cavalier

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1999 Chevy Cavalier A/C blows hot air

The A/C on my 1999 Chevy Cavalier blows hot air. I took it to a repair shop and they emptied the freon and recharged it. It blew cold for a few days, then started blowing hot, again. Someone told me it could by the cooling fan relay. Does that sound right?

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  • Jim Goldsmith
    Jim Goldsmith May 11, 2010

    turn on the AC engine running and see if the compressor is turning if it is not ; run a wire from the positive battery post to the switch on the compressor pulley and see if the compressor turns on

  • Anonymous Mar 26, 2014

    Started car and heard a POP! then the a/c button light was out and it was blowing insanely hot air even with he fan off no fluid leaking

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More likely the recharge blew a o-ring and you have a leak. When your Cavalier was blowing hot air and a recharge fixed it that means it was low on freon which lets o-rings dry out, go back to the shop and have them leak test it. They use a pressurized dye to find the problem. If it's blowing it's not the cooling fan relay, they may have meant compressor relay but I'd have a leak test done first it's not expensive and easier that chasing unknown possibilities.

Posted on Jun 03, 2009

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No. sounds like the system is leaking. whenever system is recharged dye should be added so the leak can be found when the system looses charge again.

Posted on Jun 03, 2009

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SOURCE: A/C blows hot on 1999 Chevy Cavalier

That could be the case. The other problem could be that you are losing freon for some reason. Find someone who can check the freon level for you to make sure that it is not leaking. The valve to fill the freon can get bent which allows for the gas to escape and then you run into this problem.

Posted on Jun 03, 2009

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A/C blows hot on 1999 Chevy Cavalier


That could be the case. The other problem could be that you are losing freon for some reason. Find someone who can check the freon level for you to make sure that it is not leaking. The valve to fill the freon can get bent which allows for the gas to escape and then you run into this problem.

Jun 03, 2009 | 1999 Chevrolet Cavalier

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