a/c problem

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Old 07-01-20, 04:32 AM
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a/c problem

i don't know if this fit on this area. my car a/c blowing warm, charged system with the right specs and after couple minutes compressor release the freon trow the valve. try to do it couple times and still doing the same thing. i replaced compressor,expansion valve and flush the dryer already. one thing i notice when i fill the system a soon i start the vehicle low side pressure start fluctuating a lot but slow, if i press the gas pedal and hold it gauge on low side keep fluctuating like from 20 to 40. and compressor start making noise every time fluctuate. and later all the freon gone when valve open. i need help on this please. thank you
 
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Old 07-01-20, 06:11 AM
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Did you pull a vacuum on the system after you replaced everything?
 
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Old 07-01-20, 06:47 AM
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yes twice for 1 hr after replaced compressor and after replaced expansion valve and stay for 20min doing leak test and system is tight
 
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Old 07-01-20, 02:32 PM
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compressor release the freon trow the valve.

explain please. I never saw a valve on compressor.
Does compressor engage? At least, for few minutes, before it leaks out?
 
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