Timing sensor

TIMING SENSOR

The timing sensor (cam angle sensor) is formed of a Hall effect device.

The voltage signal lowers abruptly when the tooth on the camshaft drive pulley facing the sensor passes in front of the sensor itself.

1. Slacken the lower screws fastening the timing gear drive belt guard.
1. Lower the car, slacken the remaining screws and remove the timing gear drive belt guard.

REMOVING/REFITTING

(For engines without counter-rotating shafts)

• Set the car on a lift.
• Disconnect the battery (-) terminal.
• Remove the right front wheel and mud flap.

1. Raise the car and proceeding as illustrated on the belt tensioner, slacken the tension of the auxiliary components drive belt and remove it.
2. Slacken the four fastening screws and remove the auxiliary components drive pulley.
3. Slacken the fastening screw and remove the auxiliary components drive belt pulley guide.

1. Slacken the fastening screw and clamp and remove the oil vapour recovery pipes.