11 51 000 Removing and installing water pump (N62)

Follow instructions for working on cooling system. Refer to 17 00 ... INSTRUCTIONS FOR WORKING ON COOLING SYSTEM .

Necessary preliminary tasks:

Drain and dispose of coolant from radiator.

Remove fan cowl. Refer to 17 11 031 REPLACING FAN COWL (N62) .

Remove electric fan.

Remove alternator drive belt. Refer to 11 28 010 Replacing alternator drive belt (N62) .

Unlock and detach plug connections (1).

Fig 1: Removing Belt Pulley

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Release screw and remove vacuum line holder.

Unlock and detach all coolant hoses on water pump.

Release screws and remove belt pulley (2).

Remove vibration damper. Refer to 11 23 010 Removing and installing/replacing vibration damper (N62) .

Release screws and remove water pump (1).

Fig 2: Removing Water Pump

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Installation:

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

Fig 3: Checking Adapter Sleeve

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Clean sealing faces (2).

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.

Fig 5: Identifying Coolant Pipes

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Thin coolant pipe (1) only with water-cooled alternator.

Assemble engine.

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