2007 Yukon SLT 182k. Everything has been great. Today on lunch I turned on my A/C and heard a loud whistling sound. Seemed to be from under the hood. A/C never got cold. Clutch looks to be engaging and compressor runs constantly. Still no cold air. Blend door seems ok, because when I change the temp to 90 the air in from the vents get a lot hotter. Also, all 3 zones act the same. Any suggestions? Any common issues? I don't have pressures yet.
A/C blowing warm
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93blkongreenpro
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Prob needs freon. Might be a small leak somewhere
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93blkongreenpro
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Is the clutch locking?
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tazjamin
Full Access Member
i just ran into the same issue today, i also checked the feon and im good there but i still get warm air and today its 100 degrees, not sure what it is but im guessing it would have to be that compressor but im not sure either thats why i started searching on this forum
tazjamin
Full Access Member
Has anyone figured out what is wrong? Or how possible fixes for it?
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tazjamin
Full Access Member
Well come to find out today i checked the pressure again and it was low i added freon and it works
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sumo
dn ʇǝƃ ʇuɐɔ & llǝɟ ı
For now. Ive got a leak in mine to. Recharged it with dye. Found out mine is leaking at the Rear ac line Directly above the Right rear strut.
That's where mine is leaking, but it's right where there is a plastic stay holding the lines together. I bought a splice kit that I think will fix this issue, will let you know when I get it and install.
