Operation CHARM: Car repair manuals for everyone.

Knock Sensor: Service and Repair

KNOCK SENSOR

REMOVAL





1) Disconnect battery ground cable from battery ground terminal.





2) Remove air intake chamber.





3) Remove operating cylinder. (MT vehicle only)





NOTE: Place the operating cylinder where it will not interfere with the work in process.





4) Disconnect knock sensor connector.





5) Remove knock sensor from cylinder block.

INSTALLATION

1) Install knock sensor to cylinder block.

Tightening torque: 23.5 ± 2.9 Nm (2.4 ± 0.3 kg-m, 17.3 ± 2.1 ft. lb)





NOTE: The extraction area of the knock sensor cord must be positioned at a 45 ° angle relative to the engine rear.





2) Connect knock sensor connector.








NOTE: The connector must be connected to the engine front end of the engine coolant hose.

3) Install operating cylinder. (MT vehicle only)
Tightening torque: 37 ± 3 Nm (3.8 ± 0.3 kg-m, 27.3 ± 2.2 ft. lb)





NOTE: Apply grease to contact point of release lever and operating cylinder rod.





4) Install air intake chamber.





5) Connect battery ground cable to battery ground terminal.