15000 MI or 24000 KM

Tighten/Torque
    Body and Frame
      Canadian vehicles: Inspect and torque body and chassis nuts and bolts every 15,000 miles.
Inspect
    Heating and Air Conditioning
      Inspect air conditioning compressor and regfrigerant annually.
    Air Filter Element
      Extremely dusty conditions may require more frequent service of this component.
Replace
    Oil Filter, Engine
      Or every 7.5 months, whichever occurs first.
    Engine Oil
      Or every 7.5 months, whichever occurs first.