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Superduty Gen.1 1999-2007 F250, F350, F450, F550

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  #11  
Old 07-07-2015, 11:44 AM
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without knowing the pressures its hard to diagnose with definitive answers... could be low pressure.. could be bad compressor.. could be bad clutch.. also could be bad switches.. even without the compressor running theres still a minimum pressure reading youll have. on mine the compressor seized and snapped the bolt holding the clutch & pulley to the compressor. clutch parts were gone.. tech said i was lucky the pulley didnt come off going down the road.
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  #12  
Old 07-28-2015, 11:03 AM
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well I made the dummy mistake of not listening here and listening to someone who I thought was a good mechanic. I put a can of 134a(140z) in the system and saw some pressure on the supplied guage...it took the whole can. Compressor kicked on but was running intermittenly more so than before..anyway air was slightly cooler than hot but not cold...drove around a bit and when I got home in the driveway I heard a pop and mist coming out from under the hood. So not I'm driving with the windows down again. Been so long since I knew what air conditioning was....will it ever work now
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  #13  
Old 07-28-2015, 01:56 PM
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Pop was probably the high pressure blow off on the back of the compressor.
Probably still has a charge, just blew off the excess.
get a cheap set of gauges from Harbor freight, and post a picture what you have.
My lap top is down for repairs where I have my A/c repair pictures, so as soon as I have it repaired, I can post some pictures
My guess, is low pressure switch, but without seeing some pressure readings, it is only a guess
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Old 07-28-2015, 04:44 PM
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cool thanks dustybumpers...Its hotter than hades in NJ right now
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  #15  
Old 07-28-2015, 05:38 PM
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Yeah, I know, I'm in Md. It's been a scorcher here this summer
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