50000 MI or 80000 KM

Lubricate
    Steering and Suspension
      Lubricate the front suspension, ball joints, steering linkage, transmission shift linkage, transfer case shift linkage, parking brake cable guides, and brake front axle. Ball joints should not be lubricated unless their temperature is -12 degrees C (10 degrees F) or higher or they could be damaged.
Inspect
    Fluid - Differential
      Check front/rear axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking.
    Brakes and Traction Control
Replace
    Oil Filter, Engine
      Or every 3 months, whichever occurs first.
    Fuel Filler Cap
      If driving in dusty conditions.
    Fluid Filter - A/T
      Vehicles with Allison transmission replace the external spin-on filter only. The sump filter is only changed during overhaul. TSB 05-00-90-005.
    Fluid - Transfer Case
      Automatic Transfer Case Only.
    Fluid - A/T
      Manual transmission fluid does not require change.
    Engine Oil
      Or every 3 months, whichever occurs first.
    Cabin Air Filter / Purifier
      Replace passenger compartment air filter, if equipped. If the vehicle is driven regularly under dusty conditions, the filter may require replacement more often.
Rotate
    Tires