I had a similar noise and when I drained the fluid in the trans the
retainer clip for 4th gear fell out. The noise was the 4th gear against the
case. Had it rebuilt and had the gear carrier (common failure in my case)
replaced while Jt was open.

On Sat, Sep 29, 2018 at 10:28 AM Jim Felder <jim.felder@gmail.com> wrote:

> How many miles on that transmission?
>
> Jim
>
> Sent from my iPhone
>
> > On Sep 29, 2018, at 8:35 AM, ddbjorkman@verizon.net <
> ddbjorkman@VERIZON.NET> wrote:
> >
> > Hi all;A couple of months ago, I noticed a faint wooo-wooo noise coming
> from the right rear.  Turns out it is a transaxle noise, as all else has
> been eliminated. Local (good) mechanic said we have to wait until it gets
> loud enough to diagnose.  It is getting a little louder.  Anyone want to
> offer an opinion on just what/where it is.
> > Dave B.
>