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Thread: 2003 2500HD air conditioner problems

  1. #1
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    2003 2500HD air conditioner problems

    I have a 2003 2500HD my question is the air conditioner will blow cold air for a little bit then start to blow hot air for a little bit then back to cold. I had the freon checked it was good. Any suggestions as to what to do.

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    check the temp damper. What control system do you have? duel or single?

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    Does it start to blow cold again when you mash the gas down, kicking the compressor back in?

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    It has dual controls. Mashing the gas doesn't make it blow cold again ( it actually starts to blow cold again when the windows get rolled down).

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    Senior Member gmctrucks's Avatar
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    OK my brother is having the same thing on his HD what he did since he does a lot of driving in the ranch the radiator and condenser had a lot of weeds & trash in it he took his pressure washer and it did help it but we think it's something else because it's electronic might be a part is faulty.

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    Do both sides go warm then, or just one side?

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    Yeah both sides go warm.

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    does it happen when the recyle button is pushed or just the air button?

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    It's both when its just the ac and when the recycle is on too.

  10. #10
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    When it blows warm can you tell/ or stop to see if the compressor is still running..Might be a problem in the compressor clutch or power feed

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