Operation CHARM: Car repair manuals for everyone.

Knock Sensor: Service and Repair

REPLACEMENT

1. REMOVE CYLINDER HEAD SUB-ASSEMBLY




2. DISCONNECT HEATER WATER INLET HOSE A




3. REMOVE WATER OUTLET PIPE NO.1
a. Remove the 4 wire harness clamps.
b. Remove the 3 bolts and the water outlet pipe.




4. REMOVE KNOCK SENSOR
a. Disconnect the 2 knock sensor connectors.
b. Remove the 2 bolts and the 2 knock sensors.




5. INSTALL KNOCK SENSOR
a. Install the 2 knock sensors with the 2 bolts as shown in the illustration.

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

b. Connect the 2 knock sensor connectors.

6. INSTALL WATER OUTLET PIPE NO.1

Torque: 10 Nm (102 kgf.cm, 7 ft.lbf)

7. CONNECT HEATER WATER INLET HOSE A
8. INSTALL CYLINDER HEAD SUB-ASSEMBLY