My wife's 300D started having difficulty with the central locking and then started running on a bit after being turned off.
I have isolated the fault to the metal vacuum control valve for the transmission, on the side of the IP. I have bypased the valve and aplied full vacuum to the transmission modulator. SWMBO is coping with using the kickdown to hold lower gear and to manually select a lower gear when needed, but I wish to repair the faulty unit to give her a Transmission which shifts correctly.

This is the control valve I have on this car.

Does anyone have a repair procedure for these?
I have searched and have only found discussions on the plastic vacuum control valve which is fitted to North American cars.

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Tony from West Oz.
Fatmobile 3 84 300D 295kkm Silver grey/Blue int. 2 tank WVO - Recipient of TurboDesel engine.
Josephine '82 300D 390kkm White/Palamino int.
Elizabeth '81 280E, sporting a '79 300D engine.
Lucille '87 W124 300D non-turbo 6 cylinder OM603, Pearl Grey with light grey interior


Various parts cars including 280E, 230C & 300D in various states of disassembly.

Anyone?

They aren't really considered to be a repairable item, they are replaced when deamed faulty.

Try a few aftermarket benz places but you'll need a new one. A good secondhand one would be hard to find in Australia and likely to fail soon anyway.

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Alex.

MB Tech
Sydney, Australia
Volvo 122S
W201 190D 2.5 manual
W202 C240
W203 C32

Thanks for the reply Alex.
OK, Nothing to lose, I will try to repair it while waiting for the part to arrive.