<VV> What Broke?

[John Beck]

I had the edges of a clutch disk disintegrate once.  I sounded about
like what you described.  --J.B.

Nigel Hoyow wrote:
> 
> Last night I was driving and suddenly a loud clack clack clack sound started
> apparently coming from the drivetrain area. The clack gets faster as I
> accelerate.
> The engine is fine and the half shafts and stuff are okay.  When I clutch in
> the noise disappears and the engine revs freely with no apparent problem,
> but as soon as I put it back in gear it clacks from 1 through 4. I put some
> oil in the box this morning (it took a quart) just in case but although it
> subdued the noise slightly, the clack clack clack is still there.
> I feel a metallic grounding rhythmic vibration just the moment when
> releasing the clutch and moving off - then the clack clack starts when I get
> going.
> What do you think has gone wrong? Can you give me the bad news?  a gear
> broke? gear teeth? Diff broke? clutch disc?
> The van drives fine except for the loud clacking sound. I parked it today
> just in case I break something else.
> Thanks for the help.