Re: Strange Sound

["R. Shayne Pavlic'" <bcpi@arias.net>]

>I notice a low hum resonating from the engine compartment, coming from
>the A/C compressor.  This only occurs between approximately 2000-2200
>engine RPM.  When the A/C compressor is switched off, no sound.  It's
>not very loud, but noticeable when accelerating, as the engine speed
>increased to that range, the sound comes and then goes as the engine RPM
>increases beyond 2200.  Does anyone else notice this or do I have a
>problem on my hands?
>


My guess:  bearings.  Problem?  In time maybe.  For now I would drive.  I
have a compressor that is doing the same thing.  One year now and still
cools.  No problems yet.


Shayne