A/C not working all the time/blows warm air - Ford Powerstroke Diesel Forum
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Old 06-16-2013, 12:06 AM
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A/C not working all the time/blows warm air

Its been quite a while since Ive been on here; however, I would def like to participate more. Anyways, now that summer is approaching and the weather is getting warmer it seems like my air conditioning is not working all the time. This same thing happened last year and I read springer pop's air gap solution and that took care of the problem for the remainder of the year. I tried to do the same thing this year and when I turn the key to the "ON" position (not start) and turn the a/c to on the clutch should lock to allow me to unscrew the bolt holding it together and it doesn't, it just continues to spin.

So, it seems like the same problem like last year. the a/c seems to work when i hammer down on the gas pedal really hard for about 10 seconds then it will blow ice cold air just fine for about 15 minutes or until i slow down. Then when it is not blowing it blows the outside temp air, which is pretty hot down here in southern California. I checked the air gap out of curiosity and my feeler gauge says that its at .20 like it should be, but like I said it works when i hammer on the gas pedal and does not when i don't hammer on the pedal. I also finally got the clutch to lock in place, which allowed me to pull it off and check inside. When I looked inside of it there were no shims at all in there, but it was reading.20 on my feeler gauge. Very weird. Anyone help is greatly appreciated. maybe the clutch is going out, I'm not to sure. Anyone have the same experience or solution to the problem?

Lee
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Old 06-16-2013, 09:48 AM
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Is the compressor disengaging? If not check the line going in and see if they are cold if so you have a blend door issue
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Old 06-16-2013, 07:00 PM
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Mine is doing the exact same thing. Works great going down hwy, but when I come to a stop it stops blowing cold. If I put in neutral and blip throttle hard it starts working again, or I can wait till I start going again and it's back on. Haven't checked air gap yet but I'm planning on tackling this issue this week as its getting dang hot here in tx!
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Old 06-16-2013, 07:16 PM
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Not a air gap problem need to know pressures
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Old 06-16-2013, 07:23 PM
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Ill put some gauges on it this week and get back to ya.
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Old 06-16-2013, 07:40 PM
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The compressor disengages when it wants to. When I tried to double check the air gap I put the key in the "on" position and a/c to cold/on and the clutch wheel is supposed to lock so I can take apart the wheel; however, it just kept spinning. Then finally it engaged so I could take off the bolt. So it does engage and disengage when it wants to. When it is on the lines are cold going into it, really cold. I am redering to the lines from where you refil the freon and goes to the compressor.

Lee
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Old 06-16-2013, 07:45 PM
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what about fan clutch issue. I was having this issue and found that as soon as I ran a ground wire from the dark blue wire on my fan wiring harness it blows ice cold all the time.
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Old 06-16-2013, 07:47 PM
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Im not to sure which wires you are talking about. And what exactly did you do to it.
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Old 06-16-2013, 07:48 PM
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Low side is cold and warm inside
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Old 06-16-2013, 07:52 PM
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So what are you recommending I should do to tackle this issue that is driving me crazy and real hot when I drive lol
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