[Vwdiesel] Trans oil

[Nate Wall]

What year is your VW? The early A-2s had the fill hole located 5 mm too low on
the housing (Fine for the A-1 body, but the tranny was rotated a little more
towards the fill hole in the A-2s). Somewhere in 1987 VW relocated the hole. On
these cars, the tranny will be underfilled by X amount (I forget what X is)
which can eventually ruin 5th gear.

This is the easy no fuss/no muss method of tranny oil R & R:

1. Warm up lube and stir up all its sediment by driving about half an hour.
2. Immediately pull the drain plug (17 MM allen plug) and drain into pan.
3. Clean off metal "filings" from drain plug, if magnetic, Replace plug and
tighten. I use a dab of thread sealant for pipe fittings.
4. Remove the speedometer cable from the top of the tranny.
5.  Using a plastic auto trans fluid "trumpet" funnel, fill the tranny through
the speedometer cable hole. Use exactlly two quarts.
6. Replace the speedometer cable. You may need to replace the gasket, if it has
been leaking.

I do believe that the oil volume may be 2 liters, but w/ a drain, 2 quarts fills
it nicely. Verify the fill volume.

The differiential shares the same lube and fill/reservoir/case housing.

--Nate

dennis pantazis wrote:

> i am chaging my grear lube as well. i am reading the bentley manual and the
> only thing it referes to is checking and topping off the lube for manual
> trans. i see a drain plug on the final drive/diff as well, but no fill hole.
> they cover the final drive in the automatic section.
>
> do the manual tranny and diff share the same lube?  i would think so, but i
> want to make sure.
>
> aside from draining, is there anything special i need to do if i switch from
> unknown, presumably dino lube to synthetic gear lube?
>
> tia
>
> dennis
>
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