C 1500 Yukon 2WD V8-5.3L VIN Z Flex Fuel (2003)
INSTALLATION PROCEDURE
1. Install the knock sensors.
NOTE: Refer to Fastener Notice in Service Precautions See: Powertrain Management/Service Precautions/Vehicle Damage Warnings/Fastener Notice.
Tighten
Tighten the sensor to ...........................................20 N.m (15 lb ft).
2. Connect the knock sensor electrical connectors.
3. Push down on the rubber covers.
4. Install the intake manifold.