Model: Grand Cherokee
Engine Size: 6cyl
Refrigerant Type: R-134A
Ambient Temp: 95
Pressure Low: 50
Pressure High: 100
Country of Origin: United States
My A/C was not performing well, blowing semi cold air. I hooked up my gauges and to add some liquid refrigerant from the small cans purchase at auto parts store. the readings were 50 low side an 100 high side while running ad when off the readings were 100 on both low & high sides. I know the system has a leak in it and any place wants $1, 000 plus to fix. It only requires an add about once a year to continue proper operation, but the readings seem way off. Can anyone possibly tell me what I may need to do now? I am a novice with a/c ad want to do things correctly without having to spend thousands of dollars with a local a/c shop. Pleas help!
thanks David R.
I'd add a can once a year like you've been doing, and don't worry about the pressures if the air is working fine. Your readings don't sound accurate, disregard them.
Look for oily residue on your AC lines/fittings, and under the compressor seal, common leak points. I've even seen where a fitting just needs a little tightening to fix a leak.
any ideas how to fix the leaking into the floor board on passenger side. I have cleared the pipe out and sealed the 1/4" hole, but it appears the seal around the pipe and the fire wall is degraded. What can I use to fix this seal to keep the condeser drains from being blown back into the cab?
Some of this would help seal the area around the drain tube and firewall.
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