11 51 000 Removing and installing complete water pump (M52 / S52 / M52TU / M54 / M56)

Remove alternator drive belt, refer to 11 28 010 REPLACING ALTERNATOR DRIVE BELT (M52 / S52 / M52TU / M54 / M56) .

Fig 1: Locating Water Drain Plug

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Drain and dispose of coolant.

Installation: 

Replace seal.

Tightening torque, (25 N.m.).

Vent cooling system and check for leaks, refer to 17 00 039 VENTING COOLING SYSTEM AND CHECKING FOR LEAKS (M54 / M56) .

Release belt pulley.

Fig 2: Identifying Belt Pulley Screws

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Release water pump.

Fig 3: Locating Water Pump Screws

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Tighten two screws (M 6) into thread of water pump and release water pump out of timing case.

Fig 4: Inserting Screws Into Threads Of Water Pump

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Installation: 

Replace O-ring and coat with coolant as anti-friction agent.

Fig 5: Identifying Water Pump O-Ring

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