Question about 2003 GMC Yukon XL
I have the same problem. I have taken my Yukon XL to three different machanics, to include a GM dealer. They have all recharged the freon. The air is cold for two days. Then, it starts to run hot again. No one has been able to find a leak.
Got to your auto parts store and get a can of R-134a refrigerant with the filling cable, but make sure it's the version that has the red dye in it. Run your car with the A/C and add the canister to the low pressure side of the A/C hookups. The dye will show you the leak, but it may not be in the engine compartment, it may be at the heat exchanger inside the dash, which is difficult to access.
Posted on Jun 25, 2009
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Posted on Jan 02, 2017
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