AC clutch not disengaging, coil unplugged - Ford Powerstroke Diesel Forum
 
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post #1 of 9 Old 11-07-2019, 04:53 PM Thread Starter
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AC clutch not disengaging, coil unplugged

My AC stopped working recently while on the freeway. Iíve unplugged the coil (and verified 12v+ on the connector when AC is on), the clutch is locked to the pulley and does not disengage. I assume I need to replace the clutch and coil, anything else I should replace at the same time? Itís a 2000 in case that makes a difference.
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post #2 of 9 Old 11-07-2019, 05:25 PM
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The bearing is locked up in the clutch -- just put a new one on if your compressor is ok

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post #3 of 9 Old 11-07-2019, 05:30 PM Thread Starter
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Quote:
Originally Posted by Hydro View Post
The bearing is locked up in the clutch -- just put a new one on if your compressor is ok


The system is not cooling at this point, if the clutch is frozen would that prevent the compressor from doing its job? I would expect that would be the case?
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post #4 of 9 Old 11-07-2019, 05:37 PM
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The clutch being locked to the rotor would make the compressor turn all the time -- if I read your comment correctly

Sounds like the front seal on the compressor may have went out with the clutch

Would be easier for me at least to just put on a new compressor, since you get it all

if the system is down on pressure, would be a good time to replace the orifice tube as well

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post #5 of 9 Old 11-10-2019, 12:01 PM Thread Starter
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I replaced the compressor today, the old one was definitely shot. Unfortunately the connection between the dryer (which I was also replacing) and the evaporator (which I wasnít replacing) was frozen and I kinked the evap side of the tube trying to get them apart. Evaporatorís on order, looks like Iíll have to pull the intercooler pipe on that side to get into the box to swap it out.
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post #6 of 9 Old 11-10-2019, 04:18 PM
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Put a small amount of anti-seize on those threads in case you ever need to be in there again

Replacing the orifice tube as well? right

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post #7 of 9 Old 11-10-2019, 05:57 PM Thread Starter
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Quote:
Originally Posted by Hydro View Post
Put a small amount of anti-seize on those threads in case you ever need to be in there again



Replacing the orifice tube as well? right


Yep, the kit includes the compressor, dryer, tube.


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post #8 of 9 Old 11-11-2019, 07:41 PM
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Since you had a compressor failure and you are opening up the system, you might as well pull the condenser out and get it cleaned out. Most of the trash from the compressor will be caught in the condenser and screen on the orifice. It would suck to go through all this work and then push a bunch of trash into the orifice right after recharging.

It is said, there should be an ounce or possibly two of oil in the condenser. The rest should be in the compressor and dryer.

Lee


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post #9 of 9 Old 11-13-2019, 06:45 AM Thread Starter
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Iíll do that. Turns out the minor leak from my upper radiator hose was a cracked neck on my radiator, so Iím doing that at the same time, might as well do it all.


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