> When the defroster is running, I often hear this horrendous sqealing of
> the belt. Is the A.C. kicking in and causing this? What is wrong with
> it to cause this horrific noise? Thanks.
>
> Peter
Yes, the defroster turns on the A/C compressor to dry the air. It could
be the belt is old and needs to be replaced, it's too loose, or your
compressor could be seizing (in order of likelyhood).