NOTE: If a vehicle has been driven with depressurized air springs, the
air springs must
always be replaced.
Lift vehicle.
Air spring is OK:
when the gaiter cannot be pressed in by hand
when no vis
IMPORTANT: Risk of damage!
Extreme cleanliness must be ensured in the connection area of the vent lines
during removal and installation. Even the smallest of dirt particles can cause
leakage in the ai
WARNING: Danger 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 o
NOTE: If the control arm is detached from the rear axle carrier, it is
necessary after
reinstallation to carry out a wheel/chassis alignment check.
Necessary preliminary tasks:
Remove rear wheel.
Deactivate and empty air spring system.
Shown on vehicle at rear right:
Remove holders (1) from con
One of the major changes on the new NG6 engines is that the crankcase
ventilation system has been upgraded
and improved. This applies to all of the new NG6 versions (N52KP, N51 and N54).
There are two distinct versions of crankcase ventilation. One type is unique to
the N54 and the other applies