51000 MI or 81600 KM

Lubricate
    Suspension
      Lubricate front ball joints.
    Axle Pivot Bushing
      Heavy Duty Service
    Axle Joint
      Heavy Duty Service
Check
    Fluid - A/T
      Light Duty Cycle
Inspect
    Air Injection
      Inspect air injection system.
Replace
    Engine Oil
      If your mileage is less the 7,500 miles a yearly, replace the engine oil filter at each oil change.
Rotate
    Tires