What jeff is talking about happens. The friction material from the bands is
now in the fluid. Change the fluid and the material is gone allowing it to
slip.

Bill
On Dec 9, 2014 12:03 PM, "J Stewart" <fonman4277@comcast.net> wrote:

> If last trans fluid change was unknown, you probably should have left it
> alone. Twice in my life I have had trans fluid changed on vehicles where it
> was an unknown IF it had ever been changed before-in both cases the
> transmissions started slipping within a couple of days and totally failed
> within a week. I know there will be arguements here, just telling of my
> personal experiences. Jeff
>
> ----- Original Message -----
>
> > Volks,
> > I have been working on a rather nice '91 GL, soon to be for sale. The
> > last issue is the transmission. If the van has not been driven for a
> > couple of days, the transmission is reluctant to get going at first. When
> > I shift into drive or reverse I can feel it engage, but the vehicle moves
> > very little until I run it at 2500 rpm or so for about 30 seconds.
> > Once it starts to pull, it works fine for the rest of the day, shifting
> > smoothly at appropriate speeds, etc.
> > I have tried a dose of Seafoam followed by a fluid and screen change.
> This
> > approach has worked well for me on other types of vehicles with the same
> > problem, but not this time.
>
> > Can anyone offer a considered opinion about the cause of this problem?
> > Will I have to go into the trans itself, or is there some hope of a
> remedy
> > by changing the torque convertor or governor or cleaning the valve body?
>
> > Larry A.
> > W. Michigan
>