IMPORTANT: After completing work:
Carry out function check on brake analyzer (test stand) to ensure
that the
brakes complies with legal requirements.
Carry out test braking while driving at low
The parking brake test must be carried out on the roller dynamometer as
follows.
Release position (engine off / ignition on ):
Wheel circumferential force right / left < or = 300 N.
Press park
Cooling System
The cooling system of the N54 engine consists of a radiator circuit and an
isolated oil cooling circuit. The fact
that there is an isolated oil-cooling circuit ensures that heat is not
introduced via the engine oil into the engine's
coolant system.
Fig. 71: Identifying Cooling S
REPLACING BATTERY NEGATIVE LEAD
WARNING: Observe safety instructions for handling vehicle battery.
Follow instructions for disconnecting and connecting battery.
IMPORTANT: Do not under any circumstances use force to pull/lever off
Intelligent Battery
Sensor (IBS).
Necessary preliminary tasks: