Engine TRoulbe PLEASE HELP!!! - Ranger-Forums - The Ultimate Ford Ranger Resource


4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

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Old 10-18-2006
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Engine TRoulbe PLEASE HELP!!!

My dad has a 2001 Explorer Sport and when he turns the A/C on or the Defroster on the engine dies..... now to me that immediatly tells me that its the compressor that has seized up.... any ideas, i havent even taken a look under the hood yet, just got down here and started talking to him and he asked me so i figured i would throw it up on the board.... i already searched to see if someone had already talked about ita nd couldnt find anything... jsut let me know what your idears are....
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Old 10-18-2006
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My cadillac's Compressor is seized and if I turn it on the belt imediatly starts squealing like a pig. If I turn the wheel to the lock it will die. try unplugging the compressor and turning on the air, if it doesn't die you found your problem.

~HJ
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Old 10-18-2006
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ok sweet thanx john
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Old 10-18-2006
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ya sounds like it to me idk any other probly unless its wiring somewhere
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Old 10-18-2006
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Could be the IAC not working correctly. The IAC has to allow more air in to compensate for the load of the compressor. If it sounds like its under a severe load when you turn the compressor on, it is probably the compressor. Try raising the rpms to about 1500, then turn the compressor on. If it still dies, I would say its prolly the compressor. If it doesnt die, try to clean the IAC first, if that helps, replace the IAC.
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Old 10-18-2006
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ok thanx i will try then when we get home
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