Procedures

287219 Removing and Installing Knock Sensor

Preliminary work

Preliminary work for removing knock sensor
1. On cylinder bank 1-3, the three-phase generator must be removed.
2. On cylinder bank 4-6, the oil separator must be removed without loosening the connection lines.

Removing knock sensor

Removing knock sensor, cylinder bank 1-3

Knock Sensor And Secondary Air Pump:

1. Mark and note the installation position of the knock sensor. Remove cable plug from knock sensor -1-. Unscrew fastening screw and remove knock sensor.

Removing knock sensor, cylinder bank 4-6

Knock Sensor:

1. Mark and note the installation position of the knock sensor. Remove cable plug from knock sensor -1-. Unscrew fastening screw -2- and remove knock sensor.

Installing knock sensor

Installing knock sensor, cylinder bank 1-3

NOTE: The precise tightening torque for the knock-sensor screw must be observed, otherwise the knock sensor might not function properly.

Knock Sensor And Secondary Air Pump:

1. Clean contact surface on crankcase and move knock sensor to the installation position, according to removal position. Position and tighten fastening screw -1-. Tightening torque 17 ftlb..
2. Push on cable plug.

Installing knock sensor, cylinder bank 4-6

NOTE: The precise tightening torque for the knock-sensor screw must be observed, otherwise the knock sensor might not function properly.

Knock Sensor:

1. Clean contact surface on crankcase and move knock sensor to the installation position, according to removal position. Position and tighten fastening screw -2-. Tightening torque 17 ftlb..
2. Push on cable plug.

Subsequent work

Work subsequent to installing knock sensor
1. Install three-phase generator on cylinder bank 1-3.
2. Install oil separator on cylinder bank 4-6.