http://www.benzworld.org/forums/attachments/w123-e-ce-d-cd-td/280547d1261437559-vacuum-diagram-confusion-1983-300d-300d-vacuum_shut_off-diagram.gif

First check you have good vacuum going to the brake booster (the main vacuum line).

Check all the vacuum connectors (they rot and split with age).

Check the vacuum line going to the transmission modulator holds vacuum.

If all seems good up top, you can try this:

http://www.benzworld.org/forums/w123-e-ce-d-cd-td/1261744-transmission-flaring-clunking-vcv-diy.html

__________________


Mac
2002 e320 4matic estate│1985 300d│1980 300td
Previous: 1979 & 1982 & 1983 300sd │ 1982 240d

“Let's take a drive into the middle of nowhere with a packet of Marlboro lights and talk about our lives.” ― Joseph Heller, Catch-22