Notes
WARNING: DANGER OF POISONING if oil is ingested/absorbed through the
skin!
RISK OF INJURY if oil comes into contact with eyes and skin!
IMPORTANT: Adhere to the utmost cleanliness. Do not allow
IMPORTANT: Risk of injury!
Drain the air spring system before carrying out any work on the air supply unit,
air pipes and air spring struts! Danger of injury if this instruction is not
complied with!
Necessary preliminary tasks
Remove REAR BUMPER TRIM
Detach ventilation line (1) in direction of arrow from air supply unit.
Unclip ventilation line (1) from holders.
Fig. 139: Locating Air Supply
ADAPTER
Adapter MW
Note: (Adapter) For pulling off the taper roller bearings from the
equalization housing in the front axle
differential
Fig. 1: Identifying Adapter (315090)
BUSH
Bush MW
Note: (impact bush) For fitting the radial sealing ring to the drive flange
of the front axle differential
St
Notes
IMPORTANT:
Brake pad wear sensor: after removal it must be replaced (brake pad
wear
sensor loses its retention capability in the break pad).
Retaining spring: for vehicles older than 48 months it is recommended
to
replace the retaining spring!
So as not to damage the surface coating,