11 51 000 Removing and installing/replacing water pump (N62/N62TU)

Necessary preliminary tasks: 

• Drain and dispose of COOLANT from radiator.
• Remove fan cowl.  See 17 11 035 REMOVING AND INSTALLING/REPLACING FAN COWL WITH ELECTRIC FAN (N62, N62TU)
• Remove electric fan  . See 17 11 035 REMOVING AND INSTALLING/REPLACING FAN COWL WITH ELECTRIC FAN (N62, N62TU)
• Remove alternator drive belt  . 

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 1: Identifying Plug Connection And Belt Pulley

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Remove vibration damper. 

Release screws and remove water pump (1).

Fig 2: Locating Water Pump Screws

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Installation: 

Check adapter sleeve (1) for correct seating and damage; replace if necessary.

Clean sealing faces (2).

Fig 3: Identifying Adapter Sleeve And Sealing Faces

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Installation: 

Clean sealing surfaces.

Replace sealing rings (1 and 2).

Fig 4: Identifying Sealing Rings

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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 5: Identifying Coolant Pipe

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Assemble engine.

Vent cooling system and check for leaks.  See 17 00 039 VENTING COOLING SYSTEM AND CHECKING FOR LEAKS (N62, N62TU) .