Alternator: Service and Repair

12 31 020 Removing And Installing Or Replacing Alternator (N74)







Necessary preliminary tasks:
- Turn off ignition
- Disconnect battery negative lead
- Remove alternator drive belt
- Remove coolant radiator
- Remove A/C condenser
- Loosen hydraulic steering expansion tank. Do not remove.
- Remove hydraulic steering pump
- Remove left clean air pipe.







Slacken nut (1).
Release hydraulic fluid lines from holder on alternator.







Release screws (2) below alternator.
Tightening torque 12 31 1AZ.







Tighten screws (2) above alternator.
Tightening torque 12 31 1AZ.
Pull alternator towards front a little.
Unlock plug (2) and detach from alternator.
Detach cover (3) and release nut underneath.
Tightening torque 12 42 1AZ.
Disconnect battery positive lead from alternator
Feed out alternator towards front and remove.







NOTE:
Reassemble the vehicle.
Check stored fault message.
Delete fault memory.