NOTE: Ride height adjustment must be carried out after the following work:
Removal/replacement of ride height sensor or its control rod (only
necessary for vehicles with air suspension or vehicles
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!
Risk of burning!
This repair work may only be carried out
WARNING: Risk of injury!
Drain the air spring system before carrying out any work on the air supply
unit, air pipes and air springs! Danger of injury if this instruction is not
complied with!
Risk of
REMOVING AND INSTALLING/REPLACING VERTICAL DYNAMICS MANAGEMENT
CONTROL UNIT (VDM WITH DYNAMIC DRIVE)
IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC
DISCHARGE (ESD PROTECTION).
Necessary preliminary tasks
Remove ignition key
Disconnect BATTERY NEGATIVE LEAD
Remove SIDE
The zero position of the swivel module with respect to the zero position
sensor is detected by a 1/0 edge when
swivelling from the direction of the off position in the direction of the
optical axis. The swivel module is
repeatedly calibrated during operation based on this "soft" reference point.