[T3] Inner lower bushing dimensions?

Max Welton max.welton.2k at gmail.com
Wed Sep 2 15:24:15 PDT 2020

Are you sure about this?

Bentley describes a "thrust ring" but doesn't have a picture of the part. I
was using the large orings to control lateral movement of the upper links.

And this particular part (thought covered with powder-coating) shows no
signs of the wear you describe.



I have a pair of 311405129A "seals" on the way from ISP.


On Wed, Sep 2, 2020 at 1:26 PM Jim Adney <jadney at vwtype3.org> wrote:

> On 2 Sep 2020 at 12:49, Max Welton wrote:
> > Am I supposed to have four of these? I only have one.
> >
> > https://www.thesamba.com/vw/gallery/pix/2084455.jpg
> That's what's left of an upper thrust bearing. I've NEVER seen one so worn
> out. You're supposed to have 2. The lowers don't need thrust bearings, as
> they are fixed by the far ends of the bars. They get a large O-ring
> instead.
> It is VERY common for the upper torsion bar to get loose in the left upper
> trailing arm. If left unattended, this will rather quickly auger out the
> anchor
> hole in that arm. It can be fixed, but this can be difficult. Check the
> left end of
> that bar. If the dimple in it has worn to a slot you'll need to flip it
> over and drill
> another (deeper) dimple. Then you'll need to weld some fresh metal along
> the edges of the flat on the opposite side, to fill the now enlarged hole
> in the
> arm. Note that the "flat" in that hole is no longer flat, so a flat bar
> will always
> be free to rock in that hole, no matter how tight you make the set screw.
> This is one of the weaknesses in the Type 3 design.
> --
> *******************************
> Jim Adney, jadney at vwtype3.org
> Madison, Wisconsin, USA
> *******************************
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