I had the top bolt of a rear shock work loose and cause some noise.  I would
call it a clunking vs. a popping.  Either way, once tightened, no more
noises.  To find it, I grabbed the shock and twisted it a bit and heard a
Clunk, clunk.

Good luck,
Jim
Wilmington, NC

On Mon, Apr 19, 2010 at 9:54 PM, Todd N. Sabin <tnsabin@yahoo.com> wrote:

> I've tried searching for the answer to this and can't find anything. My '88
> Westy has an occasional popping noise that seems to come from the rear,
> right side of the vehicle. At slow speeds it can be REALLY loud. The weird
> thing is that it goes away when I accelerate and only occurs when I am not
> accelerating. Any suggestions would be greatly appreciated. I want to get it
> out to some parks to go camping, but don't trust it out-on-the-road.
>