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grand caravan low side high

abatol on Sat July 03, 2010 5:05 PM User is offline

Year: 2001
Make: dodge
Model: grand caravan
Engine Size: 3.3
Refrigerant Type: 134
Ambient Temp: 95
Pressure Low: 85
Pressure High: 125
Country of Origin: United States

My pulley on my compressor went bad causing vibration. I replaced the compressor ,drier & both exp.valves. with everything off i flushed the system & replaced the parts.Vacuumed the system down & it will only accept %75 of a can. How do i trouble shoot this failure?. thanks in advance

HVargas on Thu July 08, 2010 7:24 PM User is offlineView users profile

How long did you vacuum it for? Will it accept more if you manually kick on the compressor?

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bohica2xo on Thu July 08, 2010 9:14 PM User is offline

Push down on the low side service coupler. Your low side is probably much lower than the reading on your gauge set.

B.

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~ Mahatma Gandhi, Gandhi, An Autobiography, M. K. Gandhi, page 446.

abatol on Tue July 13, 2010 12:02 AM User is offline

i vac'd for about 30 to 45 min each time . the pressure is correct. i have decided to change the compressor & condensor ,dryer, & expansion valves. I vac'd again yesterday and rechecked it to make sure it was holding & it was. the compressor is coming on when the can is opened. So far most more expierenced folks have said the condenser sounds plugged. one guy with tech support at a compressor manufacturer said i flushed the condensor in the wrong direction ruining it. I dont know but I'm tired of maybes so i'll change it . God willing this works I'll cut the old condenser open for a better overstanding.

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