WARNING: Risk of scalding! Only perform this repair work after engine has cooled down.
IMPORTANT: Wear safety goggles and protective gloves.
Necessary preliminary tasks
Drain COOLANT
Release screws (1).
Tightening torque 17 10 6AZ.
Detach A/C lines (2) and place to one side.

Fig. 33: Identifying A/C Line With Mounting Screws
Installation note:
Replace sealing rings.
Release screws (1) on left and right from cover (3).
Tightening torque 17 10 1AZ.
Release screws (2) behind sealing lip.
Tightening torque 17 10 1AZ.
Lift out cover (3).

Fig. 34: Identifying Radiator Cover With Mounting Screws
Remove radiator (1) towards top.

Fig. 35: Removing Radiator Towards Top
Reassemble the vehicle.
Fill A/C SYSTEM.
Check COOLING SYSTEM for leaks.
REMOVING AND INSTALLING/RENEWING COOLANT EXPANSION TANK (N63)
Necessary preliminary work
Release screw (1).
Tightening torque 17 10 2AZ.
Release and disconnect coolant hoses (2).
Raise expansion tank (3)

Fig. 36: Identifying Coolant Expansion Tank With Hoses And Mounting Screws
Unlock connector (1) on coolant level switch and disconnect.
Remove expansion tank (2).

Fig. 37: Identifying Coolant Expansion Tank With Coolant Level Switch
Connector
Assemble engine.
Top up COOLANT.
Check cooling system for LEAK TIGHTNESS.
Removing And Installing/Replacing Cooling Coil For Power Steering
(N63, N74)
Removing And Installing/Replacing Engine Oil Cooler (N54, N63)
Removing And Installing/Replacing Feed And Return Lines For Engine
Oil Cooler (N63)
Replacing Complete Propeller Shaft Center Bearing
PDC Park Distance Control