Question about 2003 GMC Yukon XL
If you already check the condenser unit closely, there are two places where the leaks are very hard to detect, on the compressor shaft, need to remove the compressor clutch to fix that one, check with your leak detector in front of the compressor clutch an on the sides, if you have the tint and light system, try looking inside the clutch around the fastening nut . That's where my wf 01 Suburban's was. Other times and in very rare cases, the leak was in the evaporator, inside the blower housing, when this leak occurs, there is a smell coming from the vents, not too strong but it smells, particularly when you just turn the air on. Like I said, since this is the Low Pressure side of the system, this type of leak is very rare.
Since your AC system leak is very small, I would go for the compressor leak. GM compressors have that problem.
Posted on Sep 29, 2010
Hi, if your freon leaks out, you need to fix the leak. Leaks can be caused by several things. A bad hose, seal leak, or ruptured metal part, such as condensor, evaporator, metal line etc...
The best bet would be to find the leak. Usually the leaking area will leave oil at the point of fault, so you may be able to look over your system by following the hoses out of your compessor, and check all the items you see.
Another way would be using an AC leak detector that kinda sniffs for any freon leaks ( of course you need freon in your system for it to work )
It is definitely a leak but you have to patiently trace it from the compressor to the vents.
You will find it!
Posted on Sep 29, 2010
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Posted on Jan 02, 2017
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