Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Knock Sensor: Service and Repair

Knock Sensor

REMOVAL

1. Disconnect the ground cable from battery.






2. Remove the cover (A) and clip (B) from air intake boot assembly.






3. Loosen the clamp (A) which connects the air intake boot assembly and air cleaner case.
4. Loosen the clamp (B) which connects the air intake boot assembly and throttle body.






5. Remove the air intake boot from the throttle body, and move it to the left side wheel apron.






6. Disconnect the connector from the knock sensor.






7. Remove the knock sensor from cylinder block.






INSTALLATION

1. Install the knock sensor to the cylinder block.

NOTE: The portion of the knock sensor cord that is pulled out must be positioned at a 60 ° angle relative to the engine rear.

Tightening torque: 24 N.m (2.4 kgf-m, 17.7 ft-lb)






2. Connect the connector to the knock sensor.






3. Install the air intake boot assembly.

NOTE: Align the clamp hole with the protrusion of the air intake boot assembly.






Tightening torque: Clamp (A), (B) 3 N.m (0.3 kgf-m, 2.2 ft-lb)






4. Connect the battery ground terminal.