On 5/20/05 4:50 PM, "ScotiaWesty" <ScotiaWesty@ADELPHIA.NET> wrote:

> Hi All:
>
> We've just got back from a trip into the mountains and our '86 has started
> a new sound for us to enjoy. It is an odd steady knocking that starts off
> quietly and can get disturbingly loud quickly.  It has the following
> characteristics:
>
> - it only appears on slow, long and steep uphill climbs (5%+ grade).
> Doesn't show up if you gathered momentum and get over the hill at a good
> speed.  .
> - quiets immediately upon release of the accelerator (no good when trying
> to get over the hill)
> - sounds similar to a pump
> - always has a  steady rhythm
>
> It has appeared since we relocated to Colorado.  Altitude?
>
> If, whatever it is breaks, I fear being stranded.  Clues from the
> educated?
>
> Dan
>
>

This is actually one way I find bad CV joints on vehicles with rear axel CV.
Jimt