Removal Procedure
- Raise and support the vehicle only high enough to access the # 2 knock sensor (KS) through the wheelhouse. Refer to 
Lifting and Jacking the Vehicle.
 
- Remove the left wheelhouse liner. Refer to 
Front Wheelhouse Liner Replacement.
 
- Disconnect the engine wiring harness electrical connector (3) from the KS (1).
 
- Remove the KS retaining bolt.
 
- Remove the KS (1) from the engine block.
 
Installation Procedure
Notice: Refer to Fastener Notice in the Preface section.
- Install the KS (1) and the retaining bolt to the engine block, positioning the electrical terminals rearward.
 
Tighten
Tighten the knock sensor (KS) bolt to 25 N·m (18 lb ft).
- Connect the engine wiring harness electrical connector (3) to the KS (1).
 
- Install the left wheelhouse liner. Refer to 
Front Wheelhouse Liner Replacement.
 
- Lower the vehicle.