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
As far as the air management system on the N52KP and N51 engines is
concerned, the previous intake manifold
system on the N52 is carried over. Depending upon application, the engines will
use the 3-stage DISA or the
single stage (No DISA) intake manifold.
For more information on the DISA system r
General information
Coolant consists of water and coolant additive.
Not all commercially available additives are suitable
for the vehicle. Do not mix additives of different
colors. Observe the water - additive mixture
ratio of 50:50. Information about suitable additives
is available from a dealer's