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  #1  
Old 07-23-2010, 07:47 PM
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Default A/c not blowing cold

I have a 1999 dodge ram 2500 5.9 diesel and the a.c keeps blowing hot air.. i have charged the system and it will blow cold for awhile then get warm again.. i have noticed there is not water leaking out from under while i have the ac on so im not sure if somthing if blocked?
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Old 07-23-2010, 08:42 PM
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Lots of things can cause your problem. What are the high and low side pressures? Are you sure you don't have a leak? What is the current charge level?
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Old 07-24-2010, 11:03 AM
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You could have several problems . We need to know what your pressures are . It's a good chance you have a decent leak .
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Old 07-24-2010, 03:09 PM
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I put the gauge on the low side that came with the bottle of refrigment and it is reading 65 psi witch is a little high
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Old 07-24-2010, 03:42 PM
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Yes it is . I quess you don't have a set of guages . I was hoping to get a high side pressure reading also . You may be overcharged .
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Old 07-24-2010, 05:04 PM
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Sounds like you may have too much Freon in the system. It would get cold and the compressor would shut down on high pressure aka warm air.
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Old 07-24-2010, 10:53 PM
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how do you drain it out?
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