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 the auxiliaries belt. See Auxiliaries belt / belt tensioner, replacing Service and Repair
- Remove the power steering pump. See Power steering pump, replacing, B5254T2 Power Steering Pump, Replacing. Place the power steering pump above the engine.

Without AC




- Remove the screw and nut that run through the upper mounting
- Remove the lower screws
- Disconnect the warning lamp positive lead and the connector from the generator (GEN)
- Pull the generator (GEN) upwards.

With AC




- Remove the screw and nut that run through the upper mounting
- Remove the screws common to the generator (GEN) and compressor; the lower screws on the generator (GEN) and the upper screws on the compressor
- Slacken off the lower screws for the compressor (so that there is some clearance)
- Disconnect the warning lamp positive lead and the connector from the generator (GEN)
- Pull the generator (GEN) upwards.

Installation

Without AC
- Position the generator (GEN) so that the screw and nut that run through it can be installed in the upper mounting. Do not tighten
- Connect the cable and the connector
- Install the lower screws. Ensure the generator is correctly positioned before tightening. 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

With AC
- Connect the cable and the connector
- 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 screws common to the generator (GEN) and compressor (the lower screws on the generator (GEN) and the upper screws on the compressor). 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