Question about 1990 Ford F250

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When the air conditioner is turned on it runs fine for a few minutes, then the compressor starts cycling on and off very quickly, clicking on and off. Shut the system off for a few minutes and restart, the system works again for a few minutes and starts the cycling again. The compressor was just replaced and is new. The system was recharged by a pro. Any ideas?

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It could be a bad relay or a bad pressure switch on the drier.

Posted on Jul 13, 2009

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2004 sebring air conditioner stops and starts

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The a/c light flashes on 2003 Outlander and it just blows hot air. If I play with the hot/cold temperature control knob by turning it back and worth a few times quickly; the a/c may work for a few hours....

The a/c light flashing is usually an indication that there is a problem with the compressor. However, when you recharged the system it worked. Start your car, lift the hood and turn the a/c on. Listen to insure that the compressor cycles properly without any unusual noises(click and whirl noise is normal) like a squeal. Cycles noise, compressor is fine. You more than likely have a clogged drain tube that you can run a wire up and drain; and you need to replace the a/c pressure switch because that is what is making you blow hot air. The a/c pressure switch is a typical problem on these Outlanders and people wind up replacing their compressor, when they only needed to replace a $25 part! Hope this helps solve the problem. GOOD LUCK!

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The air conditioner compressor cuts off temporarily

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99 Ford Superduty Air Conditioner quits working after 10-15 min.

i have an f250 diesel. Same thing, shuts off after about 10 minutes and comes on when it feels like it. Its not the cycling switch. I checked the voltage at the compressor clutch and its 12v. I also, made a "new" ground for the compressor. The black wire at the compressor is ground. This didn't do anything, nor did checking the freon. It will also shut off if you have run it for a while, turn the HVAC selector to off and back on. Although it has power at the clutch (compressor) it didn't come back on.. this is weird.. i think. I was sitting there trying to figure it out and used my test like to "nudge" the clutch on the compressor.. gave it a little "push start" and it came on again.. seems it needs a new compressor? I will see what happens this weekend when i try that. Also, the pressure and contamination switches, are open circuits, that closed and predetermined settings, they are not tied into the ground of the compressor, but "looped" thru the circuit.

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Hi, the first check you will want to do is on the a/c clutch. you want to make sure of its operational value. Turn the engine on and raise the hood. make sure the a/c button and controls are on as if you wanted the air to blow cool. while the a/c is in the on position, inspect the clutch action under the hood. the clutch should click in a cycle. this engages the compressor device. it should cycle on and off in a 3 minute interval. if this compressor clutch is not working and it is not clicking, this will be the main issue. a/c clutch failure.

Now, if the clutch is working and, it is cycling on and off in a quick motion, this Will confirm a low charge state and, you will need to recharge the system with a recharge kit or you can take to the local dealership or mechanic.

Ok, if the system has a good charge and the clutch and compressor are ok, this will confirm compressor failure. if the compressor cant do its job by compressing the refrigerant in a proper manner, it will not cool properly. it will spin but, it will not cool.

You will find the problem in one or all of the areas above. i recommend checking the clutch action first then, go from there. make sure the a/c in-dash switch is working as well. this is a problem spot.

Please rate and have a great ady:)

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