[s-cars] Why does the car idle like crap when the A/C is on?

[FvAMI at aol.com]

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In a message dated 7/9/03 11:12:13 PM Pacific Daylight Time,
Paul.Park at colorado.edu writes:


> Can the bad serpentine belt tensioner be responsble for the harsh vibration
> transmitted when idling? I played around with the tensioner, and when not
> under load, the car idles smoothly, and with the tensioner back on the
> belts, the car idles noticeably coarse.
>
>

Worn out Motor or transmission mount.

Best regards,
Feico van der Laan