[Shotimes] A/C problems.

[Steve Weinrich]

Look VERY carefully at the compressor clutch.  They can fail with the outer
hub turning, but the middle has disintegrated so that the compressor shaft
does not turn.

Use an inspection mirror and a flashlight to observe the nut on the
compressor shaft while the clutch is "engaged and rotating."  If the nut is
not turning, you know that you are, at least, in need of a clutch.
Hopefully that will be all and the compressor has not seized.

Give your symptoms of the noise from the compressor, I would not be
optimistic that you will get by with only a clutch.  Compressor failures
only cause the refigerant charge to be lost if the sealed system is
breached.  This is not usually the case.

When compressors seized, they often relase particles into the system causing
the need for extensive replacement or flushing of other components of the
system.

Good luck.

Steve

----- Original Message -----
From: "MICHAEL SHELBY" <mshelby@peoplepc.com>
To: <shotimes@autox.team.net>
Sent: Wednesday, July 09, 2003 11:45 AM
Subject: [Shotimes] A/C problems.


> Anyone have advice for an A/C problem? My '94 MTX had
> been cooling fine. I was driving and the air became
> hot. I've checked and the compressor clutch is engaged
> (seems to run continously at idle, but it is hot out).
> I also ran the self test on the automatic climate
> control and received the 888 code (all ok).
>
> Compressor was making some moaning noises at idle for
> about a month. If it was low on R134A, the compressor
> wouldn't come on right? If the compressor had failed,
> it should have lost the R134A....
>
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