[T3] Noisy Tranny

[Ronan Park]

Have you checked for a bent shifter fork tossing the throw out bearing at
an angle?  Had it happen once on mine. 1968 Fastback. Only offset a bit to
make the noise.

On Wed, Sep 27, 2023 at 3:10 PM Jim Adney <jadney at vwtype3.org> wrote:

> On 27 Sep 2023 at 14:00, Keith Park wrote:
>
> > If you heard it, youd say bearing too, it has that "sound".  It makes
> > noise Sitting there with the clutch engaged in neutral, only the input
> > shaft is turning at that point so that rules out a lot.
>
> You're certainly right, that making noise in N with the clutch engaged
> eliminates a number of possibilities, including some bearings. But it
> still
> leaves some possibilities, including bearings.
>
> In N, two of your gearsets are slipping on their input shaftbearings,
> while the
> other two are spinning the counterparts on the countershaft. Okay, so this
> leaves out the R/P mesh, but not necessarily the pinion bearing seating
> (has
> it come loose in the case, allowing its shaft to move forward a bit.)
>
> I'm thinking of the fact that if either shaft has managed to change
> position
> axially, that leaves a lot of things mis-aligned, including bearings, each
> of
> which could cause whining.
>
> BTW, one of the only trannys I have ever fixed, had a broken pinion
> bearing.
> In order to get that car back on the road I did a tranny swap, but much
> later I
> tried to fix that one. The replacement bearing cost me, after my discount
> from VW, over $80, and that was probably over 30 years ago. Those parts
> are not cheap! And to install that bearing I had to spend a few days with
> a
> mill and some big chunks of steel making the tools I needed just to take
> the
> pinion shaft apart. I've got those tools now, if you need them.
>
> In the end the repaired tranny was excellent, but that was because I
> didn't
> change anything that would have required reshimming.
>
>
> --
> *******************************
> Jim Adney, jadney at vwtype3.org
> Madison, Wisconsin, USA
> *******************************
>
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