Question about 2005 Ford F-150

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A/c compressor wont come on

A/c don't come on checked pressure switch the clutch not froze up but it wont kick on

Posted by Anonymous on


6 Suggested Answers

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 4369 Answers

SOURCE: A/C compressor clutch won't engage, system won't cool

Your system might be low on freon. Get a kit with a hose that has a gauge on it so you can see if you are in the "Good" range. The cycling switch won't close unless there is enough freon in the system. You can temorarily jumper the connector for the cycling switch to see if the compressor will come on. If it does, you are low on freon for sure. Do not let the compressor run for more than 15 - 30 seconds with it jumpered.
report back results.

Posted on May 21, 2009

  • 14036 Answers

SOURCE: 2000 Ford Taurus AC compressor not working;

if compressor clutch dont kick in .it has a open in clutch coil.

Posted on Jun 01, 2009

  • 218 Answers

SOURCE: where is relay for compressor on 90 festiva name is Keith..i have never worked on a Festiva...but all the Fords i have worked on..all the relays are under the hood in a black box with a lid on it..and inside the tells you what everything is..and you do have a problem with voltage reaching the compressor clutch..and i would suspect a fuse or relay first...i hope this will help

Posted on Jul 08, 2009

SOURCE: my compressor clutch will not engage ,the

Compressor Oil.

Posted on Sep 01, 2010

  • 1915 Answers

SOURCE: I boughta 1998 f150 4.6L

What did you do to determine that the pressure is ok? If you bridge the switch on top of the schrader valve and the compressor does not cycle, you need to check wiring and any relays that may be defective along with fuses. check for voltage at the compressor, key on, engine off. Try the climate controller in defrost setting and make sure your radiator fan is, in fact, working-if it will not go on, your ac sill not either. Your vehicle might have a vlcm module that controls multiple functions (it is a ford thing) and a segment of it that controls the compressor and the radiator fan is part of the vlcm (variable load control module). They are usually located in front of the radiator and are not servicable-you have to get one from a junkyard or ebay since they commonly are not dealer stocked anymore.

Posted on Jul 21, 2011

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1 Answer

Got a 03 xtara ac wont work clutch not kicking in no power to it run power to clutch n still nothing freon full

Clutch coil bad . The A/C compressor clutch coil is a electromagnet an you need to check it with an ohm meter . Check out video on youtube testing A/C clutch coil .

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ADD Freon. It's a R134 system and the pressure is too low. Trust me add Freon and it will work fine. With a low amount of Freon if you jump the low pressure switch at the accumulator it will be very cold but will not have enough pressure to kick on the low pressure switch.

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When I remove the a/c relay and jumper the connection my a/c compressor clutch kicks in. When I removed this jumper the compressor will not engage. Is there a sensor or a switch located that controls this....

May have a bad low pressure/cycling switch. Its a two wire switch and normally found on the dryer/accumulator. You can unplug that wire and jumper it. If the clutch kicks on then either the system is too low on refrigerant to activate the switch or the switch is bad.
That switch can be replaced without loss of refrigerant because there is (or supposed to be) a shrader valve in the dryer.

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I have a 2001 Ford Mustang V6, the ac is blowing warm air. We checked the refrigerant and it is full. The ac compressor will kick on for a few seconds and then kick off. Why is the compressor not staying...

it's either low (in spite of your readings) or your a/c clutch is not working correctly or you have too big an air gap in the clutch.
First, just disconnect the 2 pin connector from the a/c pressure cycling swithc and jumper the 2 pins with a wire to force the clutch to stay engaged. See if it blows cold then, and stays engaged. You can run this way for about 15 minutes before you have to pull the plug.
report reulsts.

please don't forget to rate.

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Check voltage to pressure switch at relay and at fuse. you may have a bad electrical connection bad wire or blown fuse. Also check the clearance between the clutch and pulley, you didn't say if compressor clutch pulling in. Might have multiple problems, check switch at dash as well. Last year I had A/C prob.s and found out GM had problems with the fan cool/heat controller on my Yukon XL. Replaced it free, but all other work was at cost. Hope this helps.

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the first thing that i would check would be to see if there is votage going to the clutch. if there is not then check the pressure switch, relay, and fuse. if there is voltage to the clutch then replace the clutch and that SHOULD solve your problem.

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