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Dodge Caravan Refrigerant Low but Blowing Cold...

mattd860 on Thu August 07, 2014 2:21 PM User is offline

Year: 2002
Make: Dodge
Model: Grand Caravan
Engine Size: 3.3L
Refrigerant Type: R134A

My 2002 Dodge Grand Caravan with rear ac has a refrigerant capacity of 2.88lbs or 46oz. I recently had to repair a leak that drained out all the refrigerant and I have since filled the system up but so far I have only put in three 12oz cans for a total of 36oz. However, the AC is blowing ice cold in the front and rear even on 90 degree days. The pressures at idle are 30psi-LO and 180psi-HI. Should I bother to fill up the remaining 10oz of refrigerant or just leave it alone? Can I damage the compressor by having low refrigerant?

Cussboy on Thu August 07, 2014 2:23 PM User is offline

Wait for a real expert, but I think I'd add it. The refrigerant moves the oil around, and that's real important. And adding from cans, likely you can't get the entire 12 oz. in per can, so you likely have maybe 32 oz. in it now.

Edited: Thu August 07, 2014 at 2:24 PM by Cussboy

mattd860 on Thu August 07, 2014 2:31 PM User is offline

Good points. I'll wait for more opinions but I'm leaning towards adding the extra can.

TRB on Thu August 07, 2014 6:48 PM User is offlineView users profile

Mitchell calls for the 2.88 pounds also. So it's best to get a full charge on the system so you get proper oil movement throughout the systems.

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