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#1
06-28-2007, 12:44 PM
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Expected High and Low side AC values.
Hello Everyone,
Can someone tell me what the ACs high and low sizes of a 2002 Grand Caravan (3.3L) should be. Mine is 40 and 230 PSI. The AC works kind of OK, but the vans power seems to be much more drained by the AC--as compared to last summer. Thanks, Stan
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1995 Plymoth Grand Voyager; 1998 Volvo S90, 2000 Ford Ranger, 2002 Dodge Grand Caravan. 
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#2
06-28-2007, 01:15 PM
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Re: Expected High and Low side AC values.
Here is a guide to system pressure.
Ambient Temperature Low Side High Side Vent Discharge Temp. 60 Degrees (F) High 28-38 130-190 44-46 (F) 70 Degrees (F) High 30-40 190-220 44-48 (F) 80 Degrees (F) High 30-40 190-220 43-48 (F) 90 Degrees (F) High 35-40 190-225 44-50 (F) 100 Degrees (F) High 40-50 200-250 52-60 (F) 110 Degrees (F) High 50-60 250-300 68-74 (F) 120 Degrees (F) High 55-65 320-350 70-75 (F)
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I'm a retired ASE Master/L-1 Technician. I still keep current with the latest automotive technology.
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#3
06-28-2007, 03:06 PM
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Re: Expected High and Low side AC values.
Quote:
Hello Rick, Wow, great information! If our forum had a FAQ then this should be put into it. As a follow up, are these values the same for my Ford Ranger and Volvo S90? Thanks again, Stan
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1995 Plymoth Grand Voyager; 1998 Volvo S90, 2000 Ford Ranger, 2002 Dodge Grand Caravan. Last edited by manlystanley; 06-28-2007 at 03:49 PM.
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