Knock Sensor (KS) Replacement - Bank 1

KNOCK SENSOR (KS) REPLACEMENT - BANK 1

REMOVAL PROCEDURE
1. Raise and support the vehicle. Refer to Vehicle Lifting.
2. Disconnect the intermediate steering shaft from the steering gear.




3. Position a utility stand beneath the rear center section of the frame in order to support the powertrain.
4. Remove the frame rear bolts.
5. Carefully lower the powertrain in order to provide access.

IMPORTANT: Do not lower the powertrain more than 100 mm (4 in).




6. Remove the crank sensor heat shield bolts (1, 2) and the heat shield.

IMPORTANT: Use a universal or swivel socket with a long extension in order to remove the bolts.




7. Disconnect the knock sensor (KS) electrical connector.




8. Remove the KS bolt and the KS.

IMPORTANT: Use a universal or swivel socket with a long extension in order to remove the bolt.

INSTALLATION PROCEDURE




1. Install the KS with the KS bolt.
2. Install the KS bolt.

NOTE: Refer to Fastener Notice in Service Precautions.

IMPORTANT: Use a universal or swivel socket with a long extension in order to install the bolt.

Tighten the KS bolt to 23 N.m (17 lb ft).




3. Install the KS electrical connector.




4. Install the crank sensor heat shield and the heat shield bolts.

IMPORTANT: Use a universal or swivel socket with a long extension in order to install the bolts.

Tighten the upper crank sensor heat shield bolt (1) to 10 N.m (89 lb in).

Tighten the lower crank sensor heat shield bolt (2) to 50 N.m (37 lb in).




5. Raise the powertrain until the frame contacts the chassis.
6. Install the frame rear bolts.
7. Connect the intermediate steering shaft to the steering gear.
8. Lower the vehicle.