[W126 Coupe] Transmission

[Richard Hesek]

Kelley Frink wrote:
 Today driving my 1988 560sec I stopped at a  intersection and when I tried

> to go forward on the green light my car would not go. Engine running fine

> but the transmission was just slipping. After a minute or two of moving

the

> shifter and giving a lot of throttle the car started to go  and I got it

> home about a mile. At home in my driveway to try to back the car up and

then

> forward would not go anywhere.  Not leaking but will not go I also had

the

> rear pump and the N.S. switch replaced about a year ago but can only

start

> car in N.  Any ideas?


  Don't rule out a stuck modulator.
I think, for the $30, it would be a easy place to start the fault
isolation.
Usually, if he modulator vacuum fails, the shifting is too harsh, up and
down.
If the modulator sticks, the result behavior is opposite.

Rick H