My AC blows warm air. It has plenty of Freon in it. What could be wrong?
SOURCE: air conditioning
here is a link to your problem and a solution:
http://en.allexperts.com/q/4-Wheel-Drive-2700/2008/5/C-Clutch-engaging.htm
SOURCE: air conditioner inop
First suggestion is the clutch not engaging. Check voltage at clutch plug and confirm power source, if there is power there then clutch would work unless it has failed.
SOURCE: ac not working, blows hot air only. Recharged
Check the evaporator coil by sniffing the vents,floor is best, with your tester.
SOURCE: 2005 dodge grand caravan heat not working. one
There is a recall that has something to do with the air/heat system in 2005 Dodge Grand caravans. Recall F01. Here is a link. I had mine done two weeks ago, cost me nothing. My air conditioner was overheating.
SOURCE: Ac will blow warm air,
Since you know that the clutch must engage in order for the compressor to operate, then there are most likely one of causes. The first is low or no freon in the system. The a/c system has a pressure sensor mounted in the low( return) side hose that prevents the clutch to engage if the freon is too low. The second would be the a/c fuse or relay faulty, preventing the clutch solenoid( a 12 volt electrically operated solenoid) from engaging. And the third would be that the clutch itself is bad because the solenoid wiring has broken. I suggest that first you locate the a/c clutch relay in the relay panel, remove the relay, carefully remove the plastic cover from the relay and reinstall the relay. The clutch should engage the compressor when you manually close the relay contact with your finger for one or two seconds. If the clutch does engage, your electrical circuit in ok and you are probably low on freon. A half of a can of r-134 in more that enough to operate the pressure switch. If it doesn't engage, check the a/c fuse or the clutch solenoid itself. Get back to me and let me know how things went. Dano
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