Diesel Data: Automotive Repair

Knock Sensor: Service and Repair

Knock Sensors 1997:





The engine uses two knock sensors. The sensors screws into the cylinder block, directly below the intake manifold.

REMOVAL
1. Remove intake manifold plenum.
2. Disconnect electrical connector from knock sensors.
3. Use a crows foot socket to remove the knock sensors.

INSTALLATION
1. Install knock sensors. Tighten knock sensors to 10 Nm (7 ft. lbs) torque. Over or under tightening effects knock sensor performance resulting in possible improper spark control.
2. Attach electrical connector to knock sensor.
3. Install intake manifold plenum.