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Old 07-10-2011, 08:28 PM
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No A/C.......What to do?

My a/c compressor clutch stopped working last week. I took it to a mechanic and he said I had a hole in my hose. Instead of paying him to replace it I thought I found the hole and spent $150 for a new a/c hose assembly. Put it on and turns out I didn't have a hole in my line, it was where the radiator stud was hitting it it cause a dent in the metal part of the hose. I tried everything and have no idea what it could be. I jumped the wire that runs to the blower and the electrical system works but the clutch won't engage. I tried tapping it and nothing happened. Any ideas? Anyone know what a/c system it is, ex. R12 or R134a?
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Old 07-10-2011, 08:29 PM
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It's a 2002 F350 with 180,000 miles.
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Old 07-11-2011, 12:31 AM
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there is a plug near the compressor with 2 wires going to it and that is what tells the clutch to engage. Unplug it and there will be a red o-ring looking thing on the inside. Take that out and if it turns it on then you need to replace that entire plug or take it apart and sand the contacts down. Now if you dont have freon then this isnt going to do anything for you.
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Old 07-11-2011, 07:09 AM
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It's R134a and if it doesn't have enough in there the clutch won't kick on . . . it's a fail safe mode to save the clutch from locking up b/c it uses the oil for lubrication.
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