>loud rumbling noise it makes whenever it is not
>accelerating. It will do this whether or not the clutch
>is depressed. It will stop doing this with even the
>slightest amount of acceleration.

Worn bearing in trans or (hopefully) a wheel? It could the diff itself;
though the backsides of the crownwheel teeth don't take nearly as much load
(during overrun) as the driven faces (under power), but I guess it's not
impossible.

My $0.02.

Andrew Grebneff
Dunedin, New Zealand
VW & mollusc nut
1984 VW Type 25 Caravelle (currently SVX engine; waiting for a Porsche trans)
1985 Mitsubishi Galant Sigma 2.0 (FWD), for sale
1986 CE80 Toyota Corolla 1.8DX diesel (extaxi)
1989 CE96 Toyota Corolla 1.8DX diesel wagon
1989 CT170 Toyota Corona Select 2.0 diesel (taxi)