45000 MI or 72000 KM

Lubricate
    Steering and Suspension
      Lubricate the front suspension, 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 bushings should not be lubricated unless their temperature is -12 degrees C (10 degrees F) or higher or they could be damaged.
Inspect
    Radiator Cooling Fan Motor
      If your engine has a thermostatically controlled cooling fan, inspect hoses and ducts for proper hook-up. Be sure the valve works properly.
    Heat Shield, Exhaust
      Vehicles over 8,500 lbs. GVWR only. Inspect shields and underhood insulation For damage or looseness. Adjust or replace as required.
    Fluid - Differential
      Inspect front/rear axle fluid level and add fluid as needed.
    Air Filter Element
      Inspect the air cleaner filter if vehicle is driven in dusty conditions. Replace the filter if necessary.
Replace
    Oil Filter, Engine
      Or every 3 months, whichever occurs first.
    Engine Oil
      Or every 3 months, whichever occurs first.
Clean/Repack
    Wheel Bearing
      Clean and repack the front wheel bearings (or at each brake relining whichever occurs first).