30000 MI or 48000 KM
LubricateSteering and Suspension
Lubricate the front suspension (or every 12 months, whichever occurs first). Lubricate 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. Ball joints and kingpin bushings should not be lubricated unless their temperature is -12 degrees C (10 degrees F) or higher or they could be damaged.
Clutch Release Fork, M/T
Lubricate clutch fork ball stud (5-speed manual transmission with RPO MW3 only).
Inspect
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
Heavy Duty Emissions Only.
Replace
Spark Plug
Oil Filter, Engine
Or every 12 months.
Fluid Filter - A/T
Only vehicles under 8,600 lbs. GVWR.
Fluid - A/T
Only vehicles under 8,600 lbs. GVWR. Manual transmission fluid does not require change.
Engine Oil
Or every 12 months.
Air Filter Element
Light Duty Emissions Only.
Clean/Repack
Wheel Bearing
Light Duty Emissions Only; Clean and repack the front wheel bearings (or at each brake relining whichever occurs first).
Rotate
Tires
Heavy Duty Emissions Only.
Flush
Cooling System
Light Duty Emissions Only; Drain, flush and refill cooling system with coolant (or every 24 months since last service, whichever occurs first). Inspect the coolant hoses and replace the