Alternator: Service and Repair
12 31 020 Removing and installing or replacing alternator (N16, N18)
Necessary preliminary tasks:
- Switch off ignition.
- Disconnect battery earth lead.
- Remove air conditioning compressor.
N18 only:
Release screw.
Remove holder (1) and place to one side.
Release connector and remove.
Release nut (1) and remove positive battery cable.
Tightening torque 12 31 2AZ.
Loosen screws (2) and remove the belt tensioner (3).
Tightening torque 11 28 1AZ.
Release screw (1).
Tightening torque 12 31 1AZ.
Remove alternator (2) downwards.
Reassemble the vehicle.