I've finally been able to produce the sound. Last night I drove a
series of hard left/right/left/right turns, kind of like when trying
to avoid your neighbor's cat. On each hard pull to the left, I heard a
"thwunk" from right rear. No sound when pushed hard to the right.

Any thoughts?

- kevin
On Aug 30, 2011, at 11:02 PM, Robert Stevens wrote:

> On Aug 30, 2011, at 8:25 PM, Kevin Gilbert wrote:
>
>> Occasionally, and unpredictably, I hear and feel a thwang and snap
>> sound from right rear, usually when making a turn.
>>
> The first thing that comes to mind is a broken spring. Fairly easy
> to examine by
> loosening the RR top shock nut so the shock can let the wheel go to
> full droop.
> Jack the van up, remove the wheel, be sure the emergency brake is
> off or the
> wheel won't go to full droop, and twist and pull and examine that
> spring.
> bob ... you may be able to get a good enough look at the spring with
> just the wheel
> off.