Operation CHARM: Car repair manuals for everyone.

Knock Sensor: Service and Repair

REMOVAL

1. REMOVE CYLINDER HEAD




2. DISCONNECT HEATER WATER INLET HOSE
3. REMOVE WATER OUTLET PIPE N0.1




a. Remove the 4 wire harness clamps.
b. Remove the 3 bolts and water outlet pipe.

4. REMOVE KNOCK SENSOR




a. Disconnect the 2 knock sensor connectors.
b. Remove the 2 bolts and 2 knock sensors.

INSTALLATION

1. INSTALL KNOCK SENSOR




a. Install the 2 knock sensors with the 2 bolts so that the center of the sensor comes within the range of 15° from the bolt center as shown in the illustration.

Torque: 20 Nm (204 kgf.cm, 15 ft.lbf)

b. Connect the 2 knock sensor connectors.

2. INSTALL WATER OUTLET PIPE N0.1

a. Install the water outlet pipe with the 3 bolts.

Torque: 9.0 Nm (92 kgf.cm, 80 in.lbf)

b. Install the 4 wire harness clamps.

3. CONNECT HEATER WATER INLET HOSE
4. INSTALL CYLINDER HEAD