a/c compressor problem of the day - Ford Powerstroke Diesel Forum
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  #1  
Old 07-02-2007, 05:53 PM
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a/c compressor problem of the day

So my A/C has not been working very good lately. Last week I would have to rev the engine hard to get the clutch to engage, then it would disengage. Was low on freon, so I added a bottle. So now A/C works good, but when I rev up the clutch disengages and warm air starts. Did I put too much freon in? If I manually move the clutch just a little with the engine running, it engages right away and works, but when I rev the engine up it stops again, I press the clutch again and it engages again.

So basically I'm asking if any of you guys have any ideas as to what might be wrong. Before freon, A/C would start out kinda cool and get warm, but if I got on the throttle it would pick up for a few seconds and blow cold. Now it blows cold at idle but when I get on it the thing disengages. But it will engage when I move it. I'm thinking it is the pressure switch but I am no expert, and I would think the pressure switch would not allow the clutch to reengage just by me moving the clutch. Any helpful hints? It is getting warm.

Thanks guys,
Matt
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  #2  
Old 07-02-2007, 06:04 PM
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u need to get some gauges on there and see what the pressure is..it be easier to diagnose
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Old 07-02-2007, 06:10 PM
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i know, i only have the low side gauge and it would go down to 20psi and the clutch would disengage. I put in a can of freon and the clutch did not engage. I bypassed the pressure switch and the clutch engaged but then I tried again with the gauge on and it wouldn't engage even with bypassing the pressure switch. Then later I tried pushing on the clutch and it engaged right away. So I'm stumped
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Old 07-02-2007, 08:37 PM
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your a/c hub, has 2 big of a gap take off the bolt in the front of the a/c and pull it off and make sure you don't loose the spacer, make sure it is not warped if not go to go to ford or a parts house and get some spacers they come in a pack with a bunch of diff. sizes try them in the hub untill there is just a little space in between the hub and the clutch hope this helps
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