Clutch Master Cylinder: Service and Repair

21 52 500 Removing and installing / replacing clutch master cylinder

Installation:
After completing work, bleed clutch hydraulic system.





Remove the cover (1).





Draw off brake fluid up to supply hose of clutch hydraulic system.
For this purpose, use only a vacuum pipe that is exclusively used for removing brake fluid.
Remove the supply hose (1) from the expansion tank.





Remove lower left trim panel from instrument panel.
Release screws (1).





Release screw (1) and press clips (2) out of light switch.





Release screw (1) and remove reinforcement plate.





Remove clutch pedal.
Pull off retainer (1).

Note: Do not soil the footwell carpet with brake fluid.

Disconnect clutch master cylinder (2) from hydraulic line and remove with supply hose.





Lever switch module (1) out of clutch master cylinder (2) with a screwdriver.
Release plug connection (3) and disconnect plug (4) from switch module (1).

Installation:





Switch module is protected against incorrect installation.
Switch module must audibly snap into place.