Got a picture of that pump if it helps!

http://williamwareagency.com/forsale/stanvan/o-pump2.jpg

http://williamwareagency.com/forsale/stanvan/o-pump1.jpg

Right on! It took me three pumps to get the wrong one three times.

I bought only the gears eventually.

Stan

On Mon, 16 Jul 2001 08:30:15 -0700 Daniel Schmitz <djs@GENE.COM> writes:
> ...I will have to get out of Digest Mode so I can reply to these
> emails
> without "cutting and pasting" the addressee...
>
> Someone mentioned that the possible cause of low oil pressure in an
> air-cooled Vanagon might be because of too thick of a gasket used on
> the
> oil pump. I think they got this tip from Hot VW magazine.
>
> This tip is not applicable to the Type IV engine, only to Type I
> design
> as used in Beetles, early Busses (thru '71) and the wbx engine in
> late
> water-cooled Vanagons, which is based on the Type I.
>
> Type 1 (Beetle) engine oil pumps used a very thin paper gasket is
> used
> to seal the machined pump cover to the pump housing. This also
> affects
> the end clearance with which the pump's gears operate; using too
> thick
> of a gasket would indeed increase this clearance, although I'm not
> sure
> it would be a problem except perhaps at idle.
>
> Type IV engines, on the other hand, as used in VW Busses from 72-on
> and
> in air-cooled Vanagons feature an oil pump of a different design. It
> uses an O-ring to seal the end-cap to the pump housing; This O-ring
> does
> not affect the pump's internal clearances. The pump as a unit is
> then
> inserted into the engine. Any gasket or sealant used to seal the
> pump to
> the engine case will NOT impact oil pump performance.
>
> Dan

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