Sierra Classic 2500 4WD V8-6.0L (2007)
Knock Sensor: Service and Repair
KNOCK SENSOR REPLACEMENT
REMOVAL PROCEDURE
1. Remove the intake manifold.
2. Gently pry up the rubber covers.
3. Disconnect the knock sensor electrical connectors.
4. Remove the knock sensors.
INSTALLATION PROCEDURE
1. NOTE: Refer to Fastener Notice.
Install the knock sensors.
Tighten the sensor to 20 N.m (15 lb ft).
