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Old May 22, 2011 | 07:47 PM
  #1  
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From: Indy
More a/c problems

Hey all. Last year I had the very common air gap problem on my a/c clutch so when my air quit working I thought that might be my problem. This time my clutch will not engage at all even when I tap on it. I tried to replace it but I can't get the bolt loosened because the clutch is spinning when I turn it. Any ideas?
 
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Old May 22, 2011 | 08:18 PM
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I guess turning the air dial on air and turning the key to "ON" doesn't lock up the cluch for yaa??
 
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Old May 22, 2011 | 08:25 PM
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No it didn't help. Remembered that about 5 minutes after I started messing with it but it just kept spinning.
 
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Old May 22, 2011 | 08:39 PM
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Check to see if the magnet is energizing by holding a compass close to it while the key is in the ON position and the HVAC switch is set to A/C. If it is, clamp the front of the clutch to the pulley with an f-clamp long enough for the entire compressor and then loosen the bolt. If not, then it is more than an air gap problem.
 
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Old May 22, 2011 | 08:47 PM
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how is your freon level?
 
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Old May 22, 2011 | 08:55 PM
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Originally Posted by FordTruckNoob
Check to see if the magnet is energizing by holding a compass close to it while the key is in the ON position and the HVAC switch is set to A/C. If it is, clamp the front of the clutch to the pulley with an f-clamp long enough for the entire compressor and then loosen the bolt. If not, then it is more than an air gap problem.
I'll try this tomorrow. As far As freon goes I should be ok, I checked that last month.
 
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Old May 27, 2011 | 07:45 AM
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So did you get your problem fixed?
 
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Old May 27, 2011 | 07:50 AM
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Not yet. I work 2 jobs and haven't been able to get home before 10:00 pm all week. I'm hoping to get a look at it tomorrow morning.
 
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Old May 28, 2011 | 11:46 AM
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This could be your problem. My 2001 PowerSmoke ac compressor wouldn't go on either. So after many hours trying to fix it myself. I decided to take it in. Only $150 included parts. But the problem was there was a short in a line under the hood. It was a black line with a diode in it with black shrink wrap on it from the factory. Apparently they like to rub on something under the hood, wear off the rubber and then they short. Then I don't know if its related but there was a sensor or something that was also not working. It was about 1/2 diameter and about 2 inches long. Has two prongs on the top of it and it threaded into something ac related. The mechanic showed me the two parts that were bad. I can't tell you were they go exactly because I didn't do the work myself. When the mechanic showed me the wiring schematic and how he traced the system until there was no power and found the short and then the bad sensor. There was no way i would have ever got that figured out in my lifetime, without the proper training i should say. So good luck with yours, hopefully its just something simple.
 
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Old May 28, 2011 | 10:03 PM
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They should have a clutch service tool, to hold the pully. You should be able to get one at any parts store, someplaces like autozone rent those kinds of tools.

Are you sure it is the clutch? what all have you checked? Are you getting power to it? does it have a good ground? Modern cars have a pressure sensor/switch to keep the clutch from engaging if the freon is low, this protects the comp from damage.
 
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Old May 30, 2011 | 03:36 PM
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Update: replaced the a/c clutch and pulley and nothing happened. Had a "duh" moment and thought to check the clutch fuse, #24, but that turned out to be ok. Tried to check the freon level but according to the instructions on the can the clutch has to be engaged and running. Yea I checked the air gap and tried tapping the clutch but still nothing. Any other ideas fellas? I'm sweating to death here. Replace the whole compressor? By the way, thank you to all our armed forces heros out there.
 
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Old May 30, 2011 | 04:19 PM
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Originally Posted by lanidan
Tried to check the freon level but according to the instructions on the can the clutch has to be engaged and running.
If you are using the gauge on a can, the only reason the compressor has to be engaged is to add freon. You will still be able to see what the level is on the low pressure side.

It really sounds like you do not have enough freon in the system. If you do have a leak, here are some things to consider:

https://www.ford-trucks.com/forums/1...l#post10380025
 
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Old Jun 2, 2011 | 05:38 PM
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I was able to add a bit of freon to the system and the clutch started to engage and then let go. So it engages for about a second or two then lets go for about 3 seconds. It's doing this consistently and I can't add anymore freon. The cheap gauge on the freon reads about 50psi in 90 degree heat. Any ideas?
 
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Old Jun 2, 2011 | 05:41 PM
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The air gap on the a/c clutch is at .026 which should be tight enough to keep the clutch engaged I believe.
 
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Old Jun 5, 2011 | 12:53 PM
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Still looking for some help if anyone has an idea.
 
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