Mercedes Benz repair: Mercedes 1972 gas engine modulator valve, vacuum modulator, vacuum control


Question
what are the adjustment specs needed on adjusting a new replacement modulator valve for a 1972 Mercedes cylinder gas motor with a three speed transmits

Answer
Answer:
This is almost an art form.
These threads should help you repair the issue.

How abnormal is this trans fluid color? 722.6
http://www.mercedesshop.com/shopforum/showthread.php?p=860026

Transmission modulator adjustment
http://www.mercedesshop.com/shopforum/showthread.php?p=791654  

It's CRITICAL... how you set your transmission's vacuum system on your diesel MBZ...
http://www.mercedesshop.com/shopforum/showthread.php?t=158216

'80 300D transmission adjustment          "Vacuum modulator location"
http://www.mercedesshop.com/shopforum/showthread.php?t=141111

transmission slipping need expert advice please
http://www.mercedesshop.com/shopforum/showthread.php?p=566361

MERCEDES-BENZ TRANSMISSION VACUUM CONTROL SYSTEM "TUNING"
by Steve Brotherton First Published in: ImportCar?‡ Feb 2002
http://www.mercedesshop.com/Wikka/TransVacTune

Transmission shifting response & ?gvacuum span?h (Stevebfl, are you out there?)
http://www.mercedesshop.com/shopforum/showthread.php?p=100041

Vacuum Control Valve
http://www.mercedesshop.com/shopforum/showthread.php?p=869411

Bad Vac Control Valve?
http://www.mercedesshop.com/shopforum/showthread.php?p=834716

whining noise from rear that increases with vehicle speed, not RPM
http://www.mercedesshop.com/shopforum/showthread.php?p=1050258

Rear diff fluid ???
http://www.mercedesshop.com/shopforum/showthread.php?t=140697

differential fluid change
http://www.mercedesshop.com/shopforum/showthread.php?t=169916

Bad Flex Disc
http://www.mercedesshop.com/shopforum/showthread.php?p=868329

U Joint ?        "center driveshaft bearing"
http://www.mercedesshop.com/shopforum/showthread.php?t=92196

92 300D 2.5 flex discs,diff. mounts and damper
http://mercedesshop.com/shopforum/showthread.php?p=506832

Two threads the same title, but different authors and content.
Bowden Cable
http://www.mercedesshop.com/shopforum/showthread.php?t=54776
http://www.mercedesshop.com/shopforum/showthread.php?t=41603

Broken Neutral Safety Switch and replacing shifter bushings
http://www.mercedesshop.com/shopforum/showthread.php?p=646647

240D kickdown switch and throttle adjustment
http://www.mercedesshop.com/shopforum/showthread.php?p=103893

No kick down on 240d auto trany
http://www.mercedesshop.com/shopforum/showthread.php?p=321726

kickdown switch adjust on 240D
http://www.mercedesshop.com/shopforum/showthread.php?p=847624