No Cold Air From The A/c! - Taurus Car Club of America : Ford Taurus Forum
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post #1 of 17 (permalink) Old 03-14-2004, 03:14 PM Thread Starter
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The other day, I turned on the air conditioning, just to see if it still worked after winter, and no cold air! (I know - I should run the A/C even in the winter to keep everything lubricated) I did a quick check & discovered that the A/C compressor clutch was not engaging. I did check the appropriate fuse & it was OK.

What are some common things that will cause the clutch to not engage & what are some things that I can check?

Dave

1995 Taurus SE
3.8L V6
82K miles

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post #2 of 17 (permalink) Old 03-14-2004, 03:30 PM
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Actually, if you use your defogger in the winter, and I think everyone does, this runs the A/C compressor to help take moisture out of the air, so you don't have to worry about actually using the A/C in the winter.

About your problem, though. First thing I would do is use some jumper wires to manually activate the clutch, thus bypassing all the electronic controls. If it engages, you know the clutch itself is good. Lots of things could cause the clutch to not engage, like a wiring problem or low pressure in the A/C system (this is a safety feature so your compressor won't burn up).

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post #3 of 17 (permalink) Old 03-14-2004, 03:36 PM
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I am having the same problem kind of. I noticed that even with my heat turned just on the floor setting, and all the way low and half way between hot and cold, that the air was still coming out soo hot. i was dying. cause i'm very hot blooded, so any kind of heat makes me die. anyhow, so i turned on the AC and it was hot air coming out of it. I had it on high, on cold, and on MAX AC for like 15 minutes and it did not get cool once. it was hot hot hot. what is wrong? do i need to get a recharge or something? it was working totally fine last summer. i need to get this fixed before summer comes otherwise i will melt in my car. Someone help. thanks! i saw this thread and i didn't want to start another one about the same question. sorry.

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post #4 of 17 (permalink) Old 03-14-2004, 03:40 PM
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Sarah it sounds like your problem might be the blend door which regulates the amount of hot air passing through the heater core vs. cool outside air or air passing through the A/C evaporator. I know it can't be hot outside where you live right now, so even if the A/C were not working, you would at least be able to get air that's as cold as it is outside.

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post #5 of 17 (permalink) Old 03-14-2004, 03:44 PM
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nope its cold here. and even with the vent on it still blows hot air. so that sounds like thats what the problem is. how would i go about fixing that or checking it? is it even fixable?

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post #6 of 17 (permalink) Old 03-14-2004, 03:50 PM
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The blend door uses vacuum to open and close, so there could be a vacuum leak or the door could be stuck. I think this was a common problem on Gen 2's, but I have no experience fixing them so I really can't tell you any more. I do think the whole dash may have to come out though.

Found this on MSN Autos, it applies to Gen 2 but it's probably similar for Gen 3's.
QUOTE
Quote:
An occasional problem on this vehicle is failure of the Blend Door Actuator.The cost to Repair the Blend Door Actuator is $65.00 for parts and $299.00 for labor.[/b]

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2000 SE Duratec (Parents' Car)
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post #7 of 17 (permalink) Old 03-14-2004, 05:11 PM
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First you need to determine if the compressor is coming on or not.

To force the compressor on apply twelve volts to the compressor side of the low pressure switch while the car is running.

If this turns on the compressor then either the switch is bad or you are low on freon.

If the compressor clutch does not engage even when powered directly then the clutch coil is bad and needs changed.

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post #8 of 17 (permalink) Old 03-15-2004, 04:03 PM
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Make sure the compressor is engaging with the A/C on. Then check the level of ref. in the system by using a gauge set.

The "jumper wire" on the clutch cycling switch will verify if the compressor works, however, only do this briefly as there may be no/low amounts of ref. and oil in the system and you can damage the compressor.

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post #9 of 17 (permalink) Old 03-15-2004, 04:06 PM
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Sarah,

Sounds like the temperature blend door is not responding.

Are the position switches working correctly? (panel, floor, Defrost ETC....)

Do you have an aftermarket radio with the Manual Climate Controls?

New Toy..........
2008 Redfire Fusion SEL AWD V-6...... Every Option Available except for Nav System. Yes, it has Halon.

GONE......And Happy about it..........
2003 Mercury Sable LS Premium....... The Shop Queen.... May God be with the peson that gets that car.

Still Trucking and Very plesased with.............
1996 Mercury Grand Marquis LS Ultimate with: Leather and Handling & Performance Package. Also has Halon Fire Extinguisher. Rear wheel drive V-8 BABY!!

MERCURY- The poor mans Lincoln and the rich mans Ford.

Remember:

Drink your school, stay in drugs, and don't do milk.

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post #10 of 17 (permalink) Old 03-16-2004, 07:18 AM
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Also i feel i should mention that if its too cold outside the A/C compressor wont go on.
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