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post #1 of 3 (permalink) Old 05-16-07, 08:29 AM Thread Starter
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AC issues

I replaced the a/c condensor & checked for leaks. Everything looked fine so charged the freon & pressure is OK. Have re-checked the pressure a few times over the past few days & is still good, so no leaks.

But the air blows hot- thermometer shows it @ 100 degrees.

The compressor clutch isn't engaging. All fuses & relays seem to be ok, but you can't check relays like a regular fuse- I tried a new AC relay & no change.

Any ideas of what else to try before I look at replacing the compressor?

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post #2 of 3 (permalink) Old 05-16-07, 01:19 PM
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Re: AC issues

you didn't say what kind of vehicle but it should have a low pressure or high pressure switch that tells the compressor when to run, theres power to the switch when you turn the a/c on and if the pressures are ok the switch completes the circuit to the compressor.

68 Ford Country Sedan Wagon-390 FE, C6, 9 Inch
87 Chevy Caprice Classic Wagon-307, 2004R, 10 Bolt, what can i say, i grew up with that car
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post #3 of 3 (permalink) Old 05-16-07, 01:51 PM Thread Starter
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Re: AC issues

Sorry- it's a 99 Ranger, 4.0L V6.

How can I check if there's power to those switches? If there's no power, then what?
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