Yukon/Denali XL 1500 2WD V8-5.3L VIN Z Flex Fuel (2004)
Knock Sensor: Service and Repair
KNOCK SENSOR (KS) 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. Install the knock sensors.
NOTE: Refer to Fastener Notice in Service Precautions.
Tighten the sensor to 20 N.m (15 lb ft).
