"caroline" <nevermind@ntlworld.com> wrote in message
news:sepAh.12453$z54.6837@newsfe3-gui.ntli.net...
> Sorry its a 2001 V70 Estate
>

Possbily the compressor bearing?

Have someone look at it. If the bearing seizes or the pulley falls off, you
will loose power steering and alternator, which might not be the best thing
to happen depending on where you are.

Tim..