Removing the alternator
NOTE:
TECHNICAL INFORMATION
When the engine is stopped after the completion of trip, it may be necessary to run the electric fan. In rare cases, operation of the electric fan can take up to 11 minutes. This protects the components. In this case, replacing the electric fan is not necessary.
When the engine is stopped after the completion of trip, it may be necessary to run the electric fan. In rare cases, operation of the electric fan can take up to 11 minutes. This protects the components. In this case, replacing the electric fan is not necessary.
Preliminary work
- Refer to DEACTIVATING VEHICLE-SPECIFIC HIGH-VOLTAGE OR LOW-VOLTAGE VEHICLE ELECTRICAL SYSTEM .
- Refer to REMOVING THE FRONT UNDERBODY PROTECTION .
- Refer to REMOVING THE TOP RIGHT AND LEFT COVER IN THE ENGINE COMPARTMENT .
- Refer to REMOVING FRONT CROSS CONNECTION .
- Refer to REMOVING THE LEFT AND RIGHT FRONT-END STRUT .
- Refer to REMOVING THE ENGINE COMPARTMENT COVER PANEL IN THE REAR LEFT AND RIGHT .
- Refer to REMOVING MOUNT OF HOOD SEAL ON THE LEFT AND RIGHT .
- Refer to REMOVING THE REAR TOP CROSS CONNECTION .
- Refer to REMOVING THE FAN COWL .
- Refer to REMOVING THE LEFT-HAND AIR DUCT .
WARNING:
Working on 12 V electrical system.
Risk of short circuits! Risk of fire!
Risk of short circuits! Risk of fire!
- Make sure that there is no charger connected to the jump start terminal in the engine compartment.
- Detach battery ground lead from battery.
- For auxiliary batteries: Detach battery minus cables from all auxiliary batteries.
WARNING:
Hot surfaces.
Risk of burning!
Risk of burning!
- Perform all work only on components that have cooled down.
NOTE:
RISK OF DAMAGE
Electrostatic discharge.
Damage to or destruction of electrical components.
Electrostatic discharge.
Damage to or destruction of electrical components.
- Leave the electrical components in their original packaging until they are being installed. Only use the original packaging for returning the product. Always package removed components straight away.
- Read and comply with user information on using the associated special tool 12 7 060.
- Only tap the housings of electrical components. Do not tap pins or multi-pin connectors directly.
- Wear electrically conductive clothing and antistatic shoes (with ESD symbol).
- For additional information see: NOTES ON ESD (ELECTROSTATIC DISCHARGE) PROTECTION .
- Increase the preload with standard tools (1) on the belt tensioner in arrow direction.
- Secure the belt tensioner with the special tool 0 496 268 (11 0 390)
.
- Remove the drive belt (1) from the belt pulley (2) of the alternator and set it aside.
- Loosen screws (1).
- Unlock plug connection (1) and disconnect.
- Release nut (2).
- Thread out positive battery cable (3) and set it aside.
- Pull out the alternator (4) and remove it.