Alternator with liquid cooling:

WARNING: Danger of scalding!

Only perform these tasks on an engine that has cooled down.

Remove fan impeller and fan clutch from water pump, refer to 11 52 020 REMOVING AND INSTALLING OR REPLACING FAN COUPLING (M62) .

Drain coolant, refer to 17 00 005 DRAINING AND TOPPING UP COOLANT .

NOTE: Fill cooling system after completing work. Vent cooling system and check for leaks, refer to 17 00 039 BLEEDING COOLING SYSTEM AND CHECKING FOR WATER LEAKS .

Release screws (1) on alternator.

Fig 1: Removing Screws

Unscrew bolt (1).

Remove battery lead (2).

Tightening Torque, refer to 12 31 1AZ ALTERNATOR WITH DRIVE AND MOUNTING .

Disconnect plug (3).

Release screw (4) and lay roller to one side.

Release remaining 3 screws (5) on alternator.

Fig 2: Removing Bolt

A residual quantity of coolant emerges when the alternator is removed.