Quote:
Originally Posted by vstech
Just to clarify for you guys... the SD is not connected to the engine/climate control vacuum at all... it runs off a pump in the trunk. the drivers door switch is electrical and controls the pump itself. if yours are locking, but not unlocking, you could have several issues. pump, tubing, actuators etc...
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So when you unlock the driver's door the pump should turn on and unlock the other doors? When I unlock my driver's door nothing happens but the driver's door unlocking, no pump sound or anything. Locking from the driver's door does not work either.
I’m still learning the W126 systems, some are quite different from the W123.
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1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver
1982 300SD - 232K miles - Wife's Daily Driver
1986 560SL - Wife's red speed machine
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