auto a/c

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Old 09-30-04, 03:30 PM
d561139
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auto a/c

thank you for taking my ?
when evacuating an a/c system on an auto should you open the high and low side of the of the guages or do you just open the low side to evac. the system.I changed my comp. on a '95 mustang. I only opened the low side pulled a vac. for 1 hour let it sit held a vac. put my son in the car sent him back collage which is about an hour away cooled fine next day a/c did not cool. any suggestions ?
thanks
Charlie
 
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Old 09-30-04, 04:23 PM
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Did you replace the receiver/drier?
 
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Old 09-30-04, 04:29 PM
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Did you recover the freon?
 
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Old 09-30-04, 04:54 PM
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You may still have a leak that you either missed last time or caused during the repair but if it really held vacuum for an hour, I doubt that. Another possibility is that if you changed the compressor for a failure and not a leak, then all the debri from the compressor is plugging up the system. Whether the compressor is still running would determine which of those possibilities could be the problem. It may take some "hands on" diagnosis to find the real problem.
 
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