IMPORTANT: The brake pad wear sensor must be replaced once it has been
removed (brake
pad wear sensor loses its retention capability in the brake pad).
If a brake lining sensor that has already been
Fig. 103: Identifying Electronic Components
DSC control unit
Rotation rate sensor
Brake-pad-wear sensor
Pulse generator
REMOVING AND INSTALLING / REPLACING DSC CONTROL UNIT
IMPORTANT: Read and
Special tools required:
31 4 160
Necessary preliminary tasks:
Remove left output shaft.
Lever shaft seal (1) out of front differential with a screwdriver (2).
Fig. 122: Identifying Shaft Seal And Screwdriver
Installing shaft seal:
NOTE: The installation protective ring (1) serves to protect t
Special tools required:
11 9 221
11 9 222
11 9 223
11 9 224
11 9 231
11 9 232
11 9 233
Necessary preliminary tasks:
Remove vibration damper
IMPORTANT: Do not release central bolt.
If the central bolt is released, the sprocket wheels of the timing chain and the
oil pump will no longer be