Hi Jeff,

Is the idle stable, and at what RPMS?

Another question: What happens to the noise if you stay in park and
increase the revs on the engine while standing on the brakes?

Idle in gear working against the brakes is usually 100-150rpm lower than
in neutral or park. If you increase the RPMS with a light touch on the
accelerator it might smooth things out enough to make the rumble go
away. In which case just increase the idle a bit.

Happy Trails,

Greg Potts
1973/74/79 Westfakia "Bob the Tomato"
1987 Wolfsburg Weekender Hardtop
www.busesofthecorn.com
www.pottsfamily.ca

Jeff Lincoln wrote:
> OK gang -
>
> I've noticed that when in drive but stopped at a light or stop sign things
> get very "rumbly". Low rumbling and vibration. It does not do this in
> Neutral or park.
>
> What gives? My brother says torque converter - but as much as I love him
> he's a dork so I am asking you.
>
> Things have been fine. So did I line something up wrong when I mated the new
> engine to the trans? Low fluid (I haven't checked yet but will) - the fluid
> shouldn't be low - I changed the filter and seal on the pan when while we
> had it out.
>
> Ok, I anxiously await your wisdom and reports of impending doom!!!!
>
> --
> Thanks,
>
> Jeff
> '90 Carat (Grover)
> '86 (We call this one Parts)
> '78 Bus (Melissa) Patty's Bus
>