Starter Motor: Service and Repair

12 41 020 - Removing and installing/replacing starter motor (N54)





Important!
Aluminium screws/bolts must be replaced each time they are released.
Aluminium screws/bolts are permitted with and without colour coding (blue).
For reliable identification:
Jointing torque and angle of rotation must be observed without fail (risk of damage).





Necessary preliminary tasks:
- Switch off ignition
- Disconnect battery negative lead 61 20 900 Disconnecting and Connecting Battery Negative Lead
- Remove intake air manifold Service and Repair





Unlock plug (1) and remove.
Release nuts (2) and disconnect battery positive leads.
Tightening torque 12 42 2AZ 12 42 Alternator Lead.
Release screws (3).

Installation Note:
Replace aluminium screws.
Tightening torque 12 41 1AZ 12 41 Starter Motor with Mounting.

Remove starter motor (4).





Installation Note:
Check starter pinion and ring gear for damage. Replace starter if necessary.
Assemble engine.