Did you check to make sure that the CVs were properly still attached?
You said you checked the boots, but  if the CV joint was loose, it
could definitely give you a clunk.

On Jun 15, 2009, at 12:23 AM, Richard Duvernay wrote:

> Greetings-
>
> I''m a new subscriber to the listserve (2 weeks).  I purchased a 91
> westy manual about a month ago
> and this weekend took it out for the first real test.  A 600 mile
> trip in southern/central Oregon to camp along
> the umpqua river.  All went great until the last two miles.  As we
> got off the freeway on the deceleration ramp
>  there was a loud clunking in the driver's side rear axle area.  It
> happens only when foot is off the gas.  Any thoughts
> on what this might be or how I should go about diagnosing the
> problem?  I changed out the shocks last week and the
> cv boots all looked intact and in good shape.  Any thoughts before I
> crawl under and poke around or I take it to a shop
> would be appreciated. Thanks.
>
> Rick D
> 91 Westy
> 189,000 (heads never off..so I was told)