a/c compressor problem of the day - Ford Powerstroke Diesel Forum
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post #1 of 4 Old 07-02-2007, 05:53 PM Thread Starter
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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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post #2 of 4 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


2003 psd 6.0
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16" suspension lift, 48" michelin xml's on 20x10 black rockstars, 6000k hid's, crossover steering, zoodad mod, ccv mod, modified up pipe to delete egr cooler,high idle mod, mbrp 3.5 downpipe, train horns(also on remote), diamond plate tool box, recon smoked cablights, Code670 alarm/remote start,100w reverse lights, oil-based underbody paint
**soon to purchase SCT rockwell 2.5 ton frt/rear
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post #3 of 4 Old 07-02-2007, 06:10 PM Thread Starter
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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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post #4 of 4 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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