REMOVING AND INSTALLING/REPLACING WATER PUMP (N62/N62TU)
WARNING: Only carry out work on the cooling system after the engine has cooled down (risk of scalding ).
Follow instructions for working on cooling system.
Necessary preliminary tasks:
Unlock and detach plug connections (1).
Release screw and remove vacuum line holder.
Unlock and detach all coolant hoses on water pump.
Release screws and remove belt pulley (2).
Fig. 715: Locating Plug Connections
Remove vibration damper.
Release screws and remove water pump (1).
Fig. 716: Locating Water Pump Screw
Installation:
Check adapter sleeve (1) for correct seating and damage; replace if necessary.
Clean sealing faces (2).
Fig. 717: Identifying Adapter Sleeve And Sealing Faces
Installation:
Clean sealing surfaces.
Replace sealing rings (1 and 2).
Fig. 718: Identifying Sealing Rings And Sealing Surfaces
Installation:
Replace both coolant pipes (1) and coat sealing surfaces with anti-friction rubber coating.
Thin coolant pipe (1) only with water-cooled alternator.
Fig. 719: Identifying Coolant Pipe
NOTE: Remove coolant thermostat and coolant sensor of faulty water pump.
Check coolant thermostat and coolant sensor for damage and replace if necessary.
Install coolant thermostat and coolant sensor in new water pump.
Assemble engine.
Vent cooling system and check for leaks.