12 31 020 Removing and installing/replacing alternator (M62)
Switch off ignition.
Follow instructions for disconnecting and connecting battery, refer to 12 00... INSTRUCTIONS FOR DISCONNECTING AND CONNECTING BATTERY .
Disconnect and cover battery negative lead.
Only perform these tasks on an engine that has cooled down.
Remove alternator drive belt, refer to 11 28 010 REPLACING ALTERNATOR DRIVE BELT (M62) .
Remove fan cowl, refer to 17 11 031 REPLACING FAN COWL (M62/M54) .
Drain coolant, refer to 17 00 005 DRAINING AND TOPPING UP COOLANT (M6 .
Release bolts (1) on alternator.
Release nut (1).
Disconnect battery positive lead (2) from alternator.
Tightening torque, refer to 12 31 1AZ in ENGINE ELECTRICAL SYSTEM - TIGHTENING TORQUES - X5 4.6L .
Disconnect plug (3).
Release screw (4) and remove roller.
Release screws (5) on alternator.
Recycling
A residual quantity of coolant emerges when the alternator is removed from the housing.
Catch and dispose of escaping coolant.
Observe country-specific waste-disposal regulations.
Pull out alternator towards front.
Installation:
Replace sealing ring (1) on alternator.
Top up coolant, refer to 17 00 005 DRAINING AND TOPPING UP COOLANT (M6 .
Vent cooling system and check for leaks, refer to 17 00 039 VENTING COOLING SYSTEM AND CHECKING LEAKS (M62) .