12 42 500 Replacing battery positive lead between starter, alternator and battery positive terminal (N54)
Necessary preliminary tasks
- Read out fault memory of DME control unit
- Switch off ignition
- Disconnect BATTERY NEGATIVE LEAD
- Remove INTAKE AIR MANIFOLD
Open cover.
Slacken nut (1).
Tightening torque 12 42 3AZ .
Remove battery positive lead (2) from battery positive terminal.
Release nut (1) on starter.
Tightening torque 12 42 2AZ .
Disconnect battery positive lead from starter.
Release nut (2) on alternator.
Tightening torque 12 42 1AZ .
Release battery positive lead from retainer (3), feed out and remove.
NOTE:
Add final details to vehicle.
Check stored fault messages.
Now clear the fault memory.
Check stored fault messages.
Now clear the fault memory.