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
1.1 Working with aluminium dust
Wear a fine dust mask.
E52 only: Use an explosion-proof extractor system (refer to Service
Information 5 01 00 532).
Note national regulations.
1.2 Removing sealant
Hydrochloric acid is created when PVC sealing material is heated to
temperatures in excess o