Ken -
Did you by any chance run the diff without oil for a
period of time? If so, you will get galling on the
gears and that will make noise under load.
Regards,
Alan
'53 BN1 '64 BJ8
--- "Freese, Ken" <Ken.Freese@Aerojet.com> wrote:
> Over the weekend, the rear end was probed with a
> stethoscope both on jack
> stands in 4th at 30mph and while driving around with
> one rear seat removed.
> We never really heard the growl on the jackstands.
> All the bearings seemed
> to emit a nice whir including the OD rear.
> We did notice a clickety clack noise that seemed to
> come from the diff and
> that there was almost 1/4 inch rotational slack at
> the pinion flange while
> my spare diff is more like .030!
>
> While driving with the rear seat removed, we did
> hear the growl similar to
> the normal 1st gear whine only of a different lower
> pitch. Most evident when
> starting up a hill in 2nd. I don't hear it in 1st,
> but maybe the normal
> whine masks it. I also think I hear it in 3rd under
> a low rpm load.
> So maybe it is a transmission issue that I didn't
> hear on the jackstands
> because I was in 4th direct?
> Ken Freese
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