The AC clutch does not engage on my 2000 T&C. I checked the fuses and relay and they are OK. What might be the problem? Serpintine belt broke. Prior to breaking a rough noise was heard under the hood and the a/c was not blowing cold. New a/c compressor installed less than 6 months ago.
I would first check the Freon - is it up to pressure
Take belt off and see if compressor turns freely
Then check the Freon pressure switch - temporarily jumper see if it comes on - don't leave it run long - just temp test
Don't et the new compressor fool your thinking. Start from the beginning again
SOURCE: a/c compressor clutch will not engage
There is a compressor relay "fuse" under the hood (in the fuse compartment). It is black and has a "diode" symbol on it. I replaced mine and all was well. Good luck.
SOURCE: AC clutch not engaging
it wont engage if your low on refrigerant you can bypass the low pressure switch located on or near the receiver dryer it has 2 wires plugged into it take a paper clip and bypass the 2 in the boot and it will run long enough to re charge it.
SOURCE: a/c compressor replaced but new one does not engage clutch
you need to jump the low freon switch to refill the system...this will turn on the clutch until you have freon in the system.
SOURCE: A/C compressor won't engage
have you had you freon checked?? there is a safety on that compressor if your system gets to low it will not allow the unit to run.. irongod
SOURCE: noise under right front of hood
This is pretty hard to diagnose without being there. I would suggest that you take a hose with ends cut off and listen through it, since you are mechanically inclined. I would also check things that may be rattling against the firewall, the exhaust system for rattles as they tend to do so when bushings are worn out, and recheck the things you have if you haven't done so with hose or stethescope. I had a similar problem that was a loose exhaust bushing... Hope this helps you, Rick
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