With thicker gear lube, the worn synchro's are likely to grab a bit better
and when the oil thins when warm they just won't grab as well..Close to
rebuild time it looks like.
Daryl of AA Transaxle
425-788-4070
----- Original Message -----
From: "David Cohen" <Mtbdavid2@AOL.COM>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Monday, November 09, 2009 6:12 PM
Subject: looking for explanation why shifting into third gear grinds when
fluid warms up

> Hi,
>  Can someone explain why the Vanagon doesn't grind into third girl  when
> cold, only after the car and fluid warms up?  Is it do to the thinning  of
> the gear oil when it warms up?  I don't understand how this affects the
> synchromesh after the fluid warms up.
>
> Thanks,
> David