Does having the door locks and vacuum reservoir unhooked and plugged off at the four way have any effect on the transmission or shut off?

In other words, does the transmission or the shutoff benefit from having the vacuum reservoir?

Hope that makes since.

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Probably not, but not having a vacuum reserve could be bad in mountainous driving if you have to use the brakes a lot. Then again, it might never show up. When power brakes were coming on strong in the early 50's, most all the car makers did install a small "tomato" juice can as a reserve. But that was also used as a reserve for the then common vacuum powered windshield wipers and then also for heater and AC controls.

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Junqueyardjim
Christianity, if false, is of no importance, and if true, of infinite importance. The only thing it cannot be is moderately important. C.S. Lewis



1983 Mercedes W123 240D 4 Speed 285,000 on the road with a 617 turbo, beautiful butter yellow, license plate # 83 240D INDIANA

2003 Jaguar Type X, AWD. beautiful, good mileage,
Mom's car, but I won't let her drive it!

I wouldn't think so. Just make sure the open orifice that was unplugged gets pluged with something (electrical tape, golf tee, etc.).

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1989 300E 144K

I used a golf tee.

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Or just plumb the reservoir directly to the vacuum line to isolate the rest of the central locking system.

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The vacuum reserve tank has nothing to do with the brakes. it is the supply for locking and unlocking the doors, fuel door and trunk.

Charlie

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there were three HP ratings on the OM616...

1) Not much power
2) Even less power
3) Not nearly enough power!! 240D w/auto

Anyone that thinks a 240D is slow drives too fast.

80 240D Naturally Exasperated, 4-Spd 388k DD 150mph spedo 3:58 Diff

We are advised to NOT judge ALL Muslims by the actions of a few lunatics, but we are encouraged to judge ALL gun owners by the actions of a few lunatics. Funny how that works

I second Charlie. There is usually a rubber Y or 4 way connector in the vac line in the engine bay. On the vac pump side of the Y there is a one way check valve.
The other two sides of the Y go to the reservoir and the door locks. Since there is a check valve above the connection of the res and door locks nothing else can
use the vac in the res. HOWEVER, if the res is leaking then it can affect the rest of the vac system.

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