Removing, Installing, Vacuum Unit

Removing and Installing Vacuum Unit






Transmission
Lower at rear by removing and installing crossbar with rear engine mount.

Flexible coupling on transmission flange
Unscrew, screw on.

Rear exhaust system
detach, attach.

Screws (58)
Unscrew screw in 8 Nm. Remove retaining plate (57).

Vacuum unit (60)
Remove, after installing test modulating pressure or adjust.

Modulating pressure valve (59) and thrust pin for heat expansion compensator (59a)
Remove, install, check that it operates freely.

Note:
For transmissions 722.402 and 722.407 a spring is installed additionally between modulating pressure valve (59) and heat compensator (59a).