12 31 020 Removing and installing or replacing alternator
Necessary preliminary tasks:
- Check stored fault messages.
- Switch off ignition.
- Observe instructions for DISCONNECTING AND CONNECTING BATTERY .
- Disconnect battery ground wire and mask
- Remove INTAKE FILTER HOUSING .
- Remove ALTERNATOR DRIVE BELT .
Unlock and detach plug connection (1).
Release nut (2) and remove battery positive lead.
Tightening torque 12 31 1AZ .
Remove cover from idler pulley (1).
Release screw and remove idler pulley (1).
Release screw and remove alternator (2).
Installation:
Turning lock of tensioning roller must engage in alternator groove.
NOTE:
Read out fault memory of DME control unit.
Now clear the fault memory.