Neil,
  Some times you can clean out the grooves on the shaft with a pick or wire
brush to give it more bite.

Larry A.

On Fri, Nov 20, 2015 at 4:49 PM, Neil2 <vidublu@gmail.com> wrote:

> One wiper failed yesterday and I replaced it with a spare.  I noticed the
> knurled, round, metal 'gear' (on the chassis) has very shallow and narrow
> teeth which had very little grip on the plastic barrel of the wiper blade.
> The plastic was virtually smooth by the time I had removed it.
>
> I wonder, is it mostly the age of the piece that rendered it so worn or is
> it a poor design?  Anyone know of a source/part number for a new/improved
> one?
>
> Please/thanks!
>
> --
> Neil2
> '82 Diesel Westfalia (Ducky)
> '86 Vanagon/Westfalia Wannabe (SaVannah)
> '08 170" 2500 Mega Roof Dodge Sprinter (Moby)
> '90 Westfalia Subagon
> Fulltiming since August 2008
> Nunquam Pendite Divendium
>