Question about 2003 Ford Explorer
AC stopped putting out cold air, AC compressor clutch not engaging. Have checked fuses and main relay. Any suggestions?
The compressor is protected by a pressure switch to prevent from damage of the compressor when ever the prion gas is leaking there no pressure on the system so the compressor will not engage check for the linking of the system
Posted on Jun 17, 2013
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Posted on Jan 02, 2017
SOURCE: AC problem
Ford uses an archaic resistor pack that controls the heat/cooling output. If this goes you get very little heat or AC.
Its generally in the air vent under the dash--it has 2 wires you just twist and unclip--the resitors and wires rust--it looks like something out of a 1930 tractor.
Anyway its about $20 from Ford--the part number is FMC4L3Z19A706AA--thats for a 99-01 Expedition; I was told there all the same--
Posted on Jul 15, 2008
Low pressure in the system and the clutch will not engage. The low pressure sensor is on it for a reason.
Posted on Apr 27, 2009
can't help you w/ fuse panel diagram-- but it may be your front blower motor door. sometimes they stick in the closed position. good luck!!
Posted on Jul 07, 2009
You were close! Most Fords have a CCRM (Continuous Control Relay Module) thats on the passenger side fenderwell. It has 4 relays: one for the AC compressor cluth, one for the fuel pump, and two for the electric fan (high- and low-speed.) The AC is the one that fails the most. You can replace the CCRM by removing the intake air filter box and working through the fenderwell openings. If it gets to difficult you must remove the wheel and splash cover to replace it from the wheel opening.
Posted on Sep 21, 2009
It is probably either a bad compressor clutch or the system has lost its fluid and the low pressure switch is keeping it from coming on. If you track the AC lines on one of them you will see a sensor with a plug connected to it. Start the car turn the AC to max, blower also. Then unplug the connector on the pressure switch and jump the wires in the connector. Use a flat head screwdriver if the connector has exposed pins or a paperclip if the pins are inside little tubes. If you do this and the compressor kicks on then you have lost your refrigerant and have to bring it to be leak tested. If it doesn't come on then it is probably the AC compressor clutch.
Posted on May 01, 2010
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