Air Conditioning - No leaks detected but refrigant has gone empty three times

Asked by StephenAA Nov 27, 2018 at 10:46 PM about the 2004 Jeep Grand Cherokee Laredo

Question type: Maintenance & Repair

Hi there , I have grand Cherokee 2004. I have taken the air Conditioning
not working to mechanic three times; all detected that there was no
leaks so they refilled the system for me. However, it keep going empty
about every 3 months. Please help me what should I do?

1 Answer
44,010

Hornet_2497 answered 6 years ago

There has to be a slow leak somewhere. The most common spots are stone damage to the condenser up front, the evaporator that is hard to reach for testing in the heater box, and then the compressor "O" ring seal. Some shops use a vapor detector or they can add a red dye. Try a regular A/C shop as experience is everything.

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