Question about 2002 Ford F250 Super Duty SuperCab

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Ford f250 a/c stoppes cooling when driving average speed

My 2001 ford F250 disel air conditioning will get cold good, but when driving the compress cuts off and it gets worm. By turning the switch off and waiting, before turning it back on it may come back on and its getting worse. it dose not stay on, help 101 in dallas

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  • Anonymous Aug 06, 2008

    I have the same problem in my 2002 f250 diesel! It is hot and humid as hell here in NC. Please Help!!!!!!

  • gomist76 Oct 09, 2008

    I had the same problem with my 99 F250SD, it was a problem with the condenser and the orifice tube. The Ford tech told me they get clogged. I had them replaced. Cost was worth it living in sunny Florida. Now it works great.



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Agree with emissionwiz, just perform a refrigerant pressure test in addition.

Good luck.....

Posted on Aug 14, 2008

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I think either the pressure switch that turns the AC compressor on and off is at fault or the magnetic clutch on the compressor is going open when it gets hot, when it stops working use a 12 volt test light to check if 12 volts is present at AC compressor connector, if it is'nt check the cycling switch in the low pressure line, that is the line that gets cold and is the largest size coming from the compressor, it may also be in the accumulator bottle.

Posted on Jul 28, 2008


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