Alternator: Service and Repair

Generator (GEN), replacing

Removal

Preparations
- Disconnect the battery negative lead. See Battery, replacing Battery, Replacing.

Caution! When removing and installing the battery leads. See Battery, disconnecting Battery Disconnecting.




Remove:

Turbo
- the air intake between the radiator and the air cleaner (ACL) housing
- the charge air pipe over the engine.

Normally aspirated and turbocharged
- the engine cooling fan (FC). See Replacing the engine cooling fan (FC) Service and Repair
- the charge air pipe from the cooling system
- the auxiliaries belt.

Removal




- Remove the screw and nut that run through the upper mounting

Applies to cars with air conditioning (A/C)
- Slacken off the lower screws for the compressor so that there is sufficient clearance to remove the generator (GEN).
- Remove the lower screws from the generator (GEN)
- Detach the generator (GEN)
- Disconnect the connector and wiring
- Lift the generator (GEN) towards the air cleaner (ACL) housing
- Turn the generator (GEN) into position so that it can be removed.

Installation

Cars without air conditioning (A/C)
- Position and lift or pull the generator (GEN) into the correct position
- Connect the connector and wiring
- Position the generator (GEN) so that the screw and nut that run through it can be installed in the upper mounting. Do not tighten
- Install the lower screws. Do not tighten
- Tighten the screw and nut that run through the upper mounting. Tighten to 25 Nm
- Carry out the remaining operations in reverse order.

Caution! When removing and installing the battery leads. See Battery, disconnecting Battery Disconnecting.

Cars with air conditioning (A/C)
- Position and lift or pull the generator (GEN) into the correct position
- Connect the connector and wiring
- Position the generator (GEN) so that the screw and nut that run through it can be installed in the upper mounting. Do not tighten
- Install the lower screws. Do not tighten
- Tighten the lower screws for the compressor. Tighten to 25 Nm
- Tighten the screws common to the generator (GEN) and the compressor. Tighten to 25 Nm
- Tighten the screw and nut that run through the upper mounting. Tighten to 25 Nm
- Carry out the remaining operations in reverse order.

Caution! When removing and installing the battery leads. See Battery, disconnecting Battery Disconnecting.