12 31 020 Removing and installing or replacing alternator (N62)
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 radiator. Refer to 17 11 000 REMOVING AND INSTALLING RADIATOR (N62) .
Remove alternator drive belt. Refer to 11 28 010 REPLACING ALTERNATOR DRIVE BELT (N62) .
Remove A/C compressor drive belt. Refer to 11 28 050 REPLACING A/C COMPRESSOR DRIVE BELT WITH TENSIONER (N62/N62TU) .
Release screws on antifriction bearing on left and right of stabilizer bar.
Hydraulic lines on oscillating motor remain connected. Do not release screws on stabilizer link. Remove stabilizer bar with antifriction bearing from threaded pins and secure against falling down.
Release holder from hydraulic lines for power steering.
Hydraulic lines on power steering pump remain connected.
Release screws and remove guide pulley (1).
Unlock plug (1) and remove.
Unscrew nut (2).
Remove battery positive lead from alternator (3).
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.
Release screws on alternator (3).
Pull out alternator towards front.
Installation:
Replace sealing ring (1) on alternator.
Top up coolant. Refer to 17 00 005 DRAINING AND ADDING COOLANT (N62) .
Vent cooling system and check for leaks. Refer to 17 00 039 VENTING COOLING SYSTEM AND CHECKING FOR LEAKS (N62) .