Vacuum Regulator Valve: Service and Repair

Removing and Installing Vacuum Unit







A up to 07/92
B as of 08/92

Hexagon socket screws (58)
Unscrew, screw in, 8 Nm. Remove retaining plate (57).

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

Modulating pressure valve (59) and thrust pin for heat expansion compensator (59a)
Remove, install, check for ease of movement.