79 W123 300D Transmission

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I can find no vacuum modulator adjustment on my 300D transmission, and
am beginning to think that this must have a mechanical adjustment
somewhere.

I am trying to adjust so that my transmission will shift into fourth
gear.  Now it won't.

Also, I cannot get the kick-down solenoid out of it's receptacle.  I
have sprayed electrical anti-corrosive solvent onto the unit, in hopes
of freeing it.

Any ideas would be appreciated.

Re: 79 W123 300D Transmission

Not on the driver side? Round thing that may be red, green or black in color
with a rubber cap in the middle? It is closer to the front 1/3 of the
tranny... just above the transmission pan?

As for the kick down switch, pull the carpet out and follow the wire to the
plug and just disconnect it.



Re: 79 W123 300D Transmission


I'll look again--always a chance I missed something, as I did not have
the car on the hoist.

I will disconnect the wire on the kick-down switch.


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