Question about 2003 Ford Explorer

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AC compressor not engaging on 2003 Explorer Eddie Bower

AC stopped putting out cold air, AC compressor clutch not engaging. Have checked fuses and main relay. Any suggestions?

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  • 27 Answers

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

  • 1 Answer

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--

Good Luck!

Posted on Jul 15, 2008

honeymokey
  • 3113 Answers

SOURCE: A/C compressor on a 1998 Ford Explorer XLT 5.0 V8 not engaging.

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

  • 1 Answer

SOURCE: 98 ford explorer AC isn't blowing out of the front vents

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

  • 9 Answers

SOURCE: My ac is not working on my 2000 mustang 3.8L. I'm

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

Wrench1975
  • 34 Answers

SOURCE: 2003 ford explorer ac compressor does not come on.

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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2003 Ford Windstar AC is not working. It only blows out hot air. The blend door act. works properly(We have already tested it). There are properly freon in the Vehicle. We are at a lost. Please help


Can you tell if compressor clutch is engaged? If clutch isn't engaged only the belt pulley will be moving and the compressor clutch is not engaged. If not engaged, no ac.

Can you check for applicable hvac codes? To check codes, your-self, at the least, you need an obd2 code reader, that will check manufacturer specific codes as well as po.

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In the diagram, you see applicable fuses--clutch relay-- the top wire at ac clutch is voltage--black wire is ground.

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The ac compressor gets power from several sources and those would need to be checked. The control on the dash, the low and high pressure switches, the relay, and so on.
If the compressor is ok, you should be able to jumper the clutch like you did and feel one line cold and the other line warm if freon is flowing thru the system.

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Check the fuse and relay for the compressor clutch. The clutch electrical winding could be open--check at the clutch electrical connection for 12 volts when the system is turned on. There is an interlock switch that prevents the compressor from being turned on if the system detects low freon level. Have that checked first, then worry about the electrics second. Hope this helps!

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AIR CONDITIONER QUIT WORKING


Pop the hood, start the vehicle and turn the AC on. Watch the compressor, it should have a center that rotates on an off and you should hear a clicking sound. This is the compressor clutch you are looking at. If the compressor is not doing this, check the fuses for the AC. If the fuses are good, then most likely the high side sensor switch is not working, therefore the clutch never engages and the air never gets cold.

Try that and get back to me, ok?

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