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a/c issues...

Old Jul 9, 2007 | 07:46 PM
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a/c issues...

my a/c blows cool sometimes then it blows warm... then it blows cool the warm... constantly... i noticed my a/c compressor is always comin on and off and ideas?
 
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Old Jul 9, 2007 | 07:57 PM
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sounds like it may be low on freon, need to do pressure test
 
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Old Jul 9, 2007 | 08:01 PM
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it showed the pressure real high in the red area
 
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Old Jul 9, 2007 | 08:04 PM
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low side or high side?
 
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Old Jul 9, 2007 | 08:08 PM
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dunno bought a can of freon that has a gauge on it and hooked it up.... it looks like a valve and has a black cap i would guess the high side..
 
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Old Jul 9, 2007 | 08:10 PM
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thats low side,did it show red with compressor on or off
 
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Old Jul 9, 2007 | 08:31 PM
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sometimes it will read 100 psi (blows warm) on the low side then other times when it blows cool it reads about 45 psi
 
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Old Jul 9, 2007 | 08:42 PM
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45 is what it should read with compressor runnng,100 is equalized pressure with compressor off
at this point it's hard to tell if problem is low pressure or maybe clutch air gap
you need to run system until it starts blowing warm,clutch will be disengaged
at this point tap clutch face with stick or screwdriver handle and see if it reengages
 
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