Question about 2007 Ford Expedition
Posted by Anonymous on
Is the system full of freon ? Is the clutch getting power from the relay ??
Posted on Aug 05, 2014
yes. the ac removes moisture from the cabin of your car. if it is not engaging that is why your windows are fogging up. you need to have the ac pressure checked. you may just need a recharge.
Posted on Jan 02, 2010
Lots of things can cause this, I will list them, easiest first.
A blown fuse or relay can prevent the clutch from kicking in. Low refridgerant charge will also do this, the low pressure switch will prevent the clutch from engaging when there is low refrigerant to prevent damage. You may need to put more in, and you also may need to jump the low pressure switch to get the compressor going to add more in. Very rarely the controls could have gone bad, which are the buttons on the dash. Id check out the fuses, relays, and pressure in the system first. A shop may even do a free diagnosis for you.
Posted on Jun 17, 2011
Testimonial: "The fuse is good, but I can only find a relay for the fan motor. "
It sounds like it's either out of freon, or compressor oil. You can pick up a can of refrigerant that has the oil in with it at any Autozone or Advance Auto. It'll have the pressure gauge and fill hose with a coupler already on it. Hook it up with the engine running and a/c turned on...compressor should kick on pretty quickly. Hope this does the trick for ya!
Posted on Jul 15, 2012
A mechanic would check for voltage at the fuse and relay, and also check the system to see if it is full of freon. If the clutch has voltage and ground it may need to be replaced.
Posted on Jul 30, 2012
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