Volks,

This may be more than most want to know, but I found it and will pass it
on.  I remember from archive searches and pmails that some of the most
knowledgeable folks on the list have said many times that all of the
transaxles discussed below are interchangeable.

According to Bentley, p. 2, the DU and ABD 4 speed 091/1 transaxles were
used in the 1.9l Vanagons.  The ABD and ACW 4 speed 091/1 transaxles
were used in the 2.1l Vanagons.  Apparently there were some ABDs in both
models.

On page 34.9 there is a small table giving the complete ratios for the
both the DU and ABD 091/1 transaxles with a subheading of 1985 MY
vanagons.  All ratios are the same except that there is a tiny
difference in the third gear ratio changing from 1.26 in the older DU
transaxle to 1.225 for the newer ABD.  All other individual gear ratios
are the same.  The final drive ratio for the older DU is 4.86, while
that for the newer ABD is 4.83.   The same data is found for these two
transaxles on p. 35.32.   The gear and final drive ratios for the ACW
are found on p. 35.33 and are the same as the ABD.

So, it seems that some 1985's had a ABD transaxle with the same ratios
as were standard for all 1986 and later 091/1 equipped Vanagons whether
they had an ABD or an ACW transaxle.   Maybe this is like some of the
other changes that were standard 1986 MY and later which began being
slipped into the 1985 models.

I remember reading this stuff when contemplating replacing the tranny in
the 85 I bought - turned out to be a bad CV joint, and before I sold an
84 to someone who wanted it to put into an 87.  So I looked it back up
and here it is  FWIW.

Sam

--
Sam Walters
Baltimore, MD

89 Syncro GL
85 Westy Weekender
84 Vanagon, original owner, soon to be retired, just too many problems

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