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AC Compressor Cuts Out

I have a 1994 Ford Ranger. When I first start the AC it runs normal, then about 2 minutes after starting, the compressor cuts out and the system blows hot air. If I turn off the AC for ten minutes and then turn it back on, the system ruuns as normal for another minute or so before cutting out again. It is fully charged with freon.

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Do you have gages you can hook up?check preasure when A/C clutch is on preasure low should be about 30 and high should be about 180,if high side is higher you got a blockage some where usealy they will plug at the recever dryer or the expansion valve

Posted on Jul 28, 2009

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Or perhaps your evaporator(small radiator like unit behind dash) can get freezed up caused by either too mutch system gas(check pressure) or poor opperation of the expantion valve. the evaporator then has a sensor(themometer) wich measures evap. temp and if the value drops below spec (usially round about7degrees) the ac compressor will be cut once again(fail safe)

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My Ford ranger does this too. It's been a while since I read on this but if I'm not mistaken I think this is normal.

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