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Help! AC stopped cooling in 2002 Town & Country, both front and rear. It just blows the ambient warm air.
The blower speed is OK, it obeys the knob rotation position fine, so it's not the resistor/blower speed control pack. The refrigerant charge was also checked "good". The AC Clutch fuse looks good, and its relay was replaced with no changes.
Weird thing: sometimes on cool days AC cools fine if it was turned on while the engine was still cold. Then it works OK, even all day - until the engine is shut down. Then, on the subsequent starts it does not cool anymore (I guess until the car sits overnight and the engine becomes completely cold). But on the hot days, when AC is actually needed, it never cools!
This is an automatic temperature control model.
Did anyone had this? Any advice is appreciated...
Following up on my previous post: the AC blowing hot air problem in my case was because of the wear-increased air gap in the AC clutch. It can be fixed easily: no parts to buy, and not even the serpentine belt needing to be removed. Unscrew the center bolt holding the clutch together. There will be a few small metal washers/shims responsible for the air gap. Take one out, re-assemble and see if the gap became small enough for the clutch to engage (when AC button is pressed). There are a few YouTube videos showing this done on Jeeps - search for "AC clutch gap".
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