Question about 2007 Ford Expedition

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Why won't my 2007 expedition ac clutch engage

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Is the system full of freon ? Is the clutch getting power from the relay ??

Posted on Aug 05, 2014

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A lot of time when you are low on r134a in the system the clutch will not engage.

Posted on Aug 05, 2014

  • ausiepaul Aug 06, 2014

    hi know it sounds silly but please start by checking all of the fuses and you can usually swap the relays over to eliminate them . unfortunately we dont have expeditions in australia so i cant tell you what fuse or relay to check. then if you take a look at the ac compressor it should have one wire going to the clutch if you check for 12 v at this wire with the air on and the key on if there is no power you need to look for what is called a hi low switch this checks for hi or low pressure in the air cond gas system this can be on the compressor or in the a/c pipes it should have 2 wires and again with the key on and the air on one of these wires should have 12 v if you bridge these two wires the compressor should click .if that happens you need to take the car somewhere to get it checked for leaks the regassed

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Posted on Jan 02, 2017

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SOURCE: Should the AC compressor clutch engage when the

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

alicantecoli
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SOURCE: 2004 5.4L Ford Expedition -Eddie Bauer-

it doesnt have enough gas in the system ,its put in with a special machine and its weighed in by weight

Posted on Jul 24, 2010

xclubcar98x
  • 111 Answers

SOURCE: AC compressor won't engage clutch

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. "

chaos900rr
  • 20 Answers

SOURCE: my ac clutch will not engage on my 1999 ford expedition

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

skychief2001
  • 21873 Answers

SOURCE: ac clutch not engaging on a 2004 ford escape

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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My ac clutch will not engage on my 1999 ford expedition


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!

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My 2007 honda crv a/c clutch won't engage


Could be the ac relay or the clutch itself might be shot

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I have a 2007 chevy sliverado 1500. the ac is not working i have changed the fuse and the freon is good what else could be the problem?


This won't be a complete solution, but here's a place to start. Have the engine running, truck in park. Open the hood and stand to the side of the truck. Have someone help by sitting in the truck turning the AC on and off over and over. Your AC pump runs off your engine belt and has a clutch on it so that when you aren't using the AC, the pump doesn't turn. You should hear the AC Clutch engaging and disengaging as your helper cycles the system on and off. If you don't hear this, it's probably an electrical problem and the clutch isn't hearing the signal to engage. If you hear the clutch clicking on and off (usually a pretty discernible click) and if indeed the system is charged well with refrigerant, then I would suspect the clutch may be worn to the point that it won't engage. Either of these is a fairly expensive fix, and should probably be done by a mechanic. My truck has to be drained of refrigerant before the clutch can be changed, and if this is the case for you then that refrigerant should be captured and recycled rather than let go into the atmosphere. Also, if work needs to go this deep, filters should be cleaned and lubrication replaced as well... a mechanic will do a great job here. If it's electrical then the solution shouldn't be as involved, but nobody likes electrical work so the price is usually high anyway. :) Good luck!

Aug 29, 2011 | 2007 Chevrolet Silverado 1500HD

2 Answers

Ac won't get cold anymore power to compressor but won't click on clutch won't engage possible problems are compressor or evaporator what do you think?


Has the Freon been checked with a gauge to see if there is enough Freon to allow the system to work. Low or no Freon will not allow the compressor to engage. The low pressure switch is most likely activated due to low freon, and will cause this condition.

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1 Answer

I have a 1999 ford expedition and my ac is not cold! I checked fuses and they all seem fine. The ac is blowing but its not cold! How can I tell if its the compressor? Could it just be the a/c clutch...


Hi Kaseyloe, I think that the first thing you should have inspected is the AC gas pressure. If its leaked out, the unit won't run. The clutch of the compressor won't activate. Best take it to a refrigeration company and have them check it for you.
Regards Johngee10

Jun 10, 2011 | 1999 Ford Expedition

1 Answer

My 2002 Expedition air conditioner will sometimes blow hot air and others cold air


I would check the following possibilities:
1. Is compressor clutch working? - You need to do this when the ac is blowing hot air only - locate compressor drive pulley on engine - rubber belt wraps around it. Start engine and set to max ac. When the ac is blowing hot air, look at the center of the compressor drive pulley using a good flash light - watch it for a while, it should be spinning with the pulley - this means the compressor is engaged. If not, the compressor is not engaged. If your ac is blowing hot air, then the compressor should be engaged and running (trying to cool). If it is not engaged, then your compressor clutch is probably going out. Could be low voltage to clutch, but more likely the clutch is worn out and only working some of the time. Note: if working normally, the compressor clutch will engage and disengage in cycles- but the air should always be cold. If clutch is bad, compressor would need to be replaced (sold as one unit). This is tricky to diagnose and could take some time - you need to do it when ac is blowing hot air but set to max cooling.

2. Low on refrigerant or refrigerant has moisture in it? If your ac blows cold initially after being off for a while, then heats up, and continues to regularly cycle back and forth between hot and cool air, then the system may be low on refrigerant or the refrigerant may have moisture in it that is freezing and restricting refrigerant flow. An a/c shop can check refrigerant level and even replace refrigerant if moisture is suspected.

Could be other issues, but I would start with these.

Good luck

May 07, 2010 | 1999 Ford Expedition

1 Answer

Should the AC compressor clutch engage when the


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.

Jan 02, 2010 | 2002 Ford Taurus

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