K 1500 Yukon 4WD V8-5.3L VIN Z Flex Fuel (2003)
1. Install the oil filter bypass valve (2).
Notice:
Refer to Fastener Notice in Service Precautions.
See: Service Precautions/Vehicle Damage Warnings/Fastener Notice
2. Install the oil filter adapter (1).
Tighten the oil filter adapter to 55 Nm (40 ft. lbs.).
3. Install the oil filter.
Tighten the oil filter to 30 Nm (22 ft. lbs.).
4. Refill the engine oil.