45000 MI or 72000 KM
LubricateSteering and Suspension
Lubricate the front suspension, ball joints, kingpin bushings, steering linkage, transmission shift linkage, transfer case shift linkage, parking brake cable guides, rear driveline center splines, front axle propshaft splines and brake pedal springs. Kingpin and ball joint bushings should not be lubricated unless their temperature is -12 degrees C (10 degrees F) or higher or they could be damaged.
Inspect
Heat Shield, Exhaust
Vehicles With GVWR above 10,000 lbs. Only:
Fluid - Differential
Inspect front/rear axle fluid level and add fluid as needed. Inspect constant velocity joints and axle seals for leaking.
Brakes and Traction Control
Air Filter Element
Inspect the air cleaner filter if vehicle is driven in dusty conditions. Replace the filter if necessary.
Replace
Oil Filter, Engine
Engine Oil
Change engine oil and filter as indicated by the GM Oil Life System (or every 12 months, whichever occurs first). Reset the indicator. Never drive the vehicle more than 16 000 km (10,000 miles) without and oil and filter change. The system will not detect dust in the oil. If the vehicle is driven in a dusty area, be sure to change the oil every 5 000 km (3,000 miles) or sooner.
Rotate
Tires