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Yet anther A/C question 850 1993

posted by  someone claiming to be Jeffla on  Sat Jun 25 18:48 CST 2005 [RELATED]

The low side pressure with compressor off on a 90 deg day is 80psi. Jump the compressor to make it turn on for abut 30 secs and the high side line gets really cold, and the low side gets hot. The low side pressure is abot 40psi while compressor is on. Obviously no cold air inside the car since the high is cold and the low is warm. What would cause this? Possibly a blocked condensor or expansion valve? I drive 40mins to and 40mins from work each day so I really would like it to work.

Thanks in advance for all the help.

p.s why no high pressure port?

Jeff
93 850 294,000 miles(not original engine)






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