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 vehicles 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.

B: INSTALLATION





1) Install knock sensor to cylinder block.

Tightening torque: 23.5 ± 2.9 N.m (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 450 angle relative to the engine rear.





2) Connect knock sensor connector.





3) Install operating cylinder (MT vehicles only)

Tightening torque: 37 ± 3 N.m (3.8 ± 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.