DIESEL ENGINE MAINTENANCE SCHEDULE

25K

  • Rotate and inspect tires

  • Check wheel end play and turning noise

  • Perform multi-point inspection diesel engine; up to 13.0 quarts

  • Inspect and replace cabin air filter if necessary

  • Inspect and replace engine air filter if necessary

  • Drain Fuel and water separator if necessary

  • Replace fuel filters, engine and frame-mounted (at 15K)

25 - 30K

  • Fuel and water separator, drain if necessary

  • Replace fuel filters, engine and frame-mounted

  • Add coolant additive, if necessary

  • Replace air inlet foam filter

  • Perform Multi-point inspection(Diesel engine; up to 13 quarts)

  • Rotate and Inspect tires(check wheel end play and turning noise)

  • Replace cabin filter, if equipped.

35 - 55K

  • Rotate and inspect tires

  • Check wheel end play turning noise

  • Perform Multi-point inspection(Diesel engine; up to 13 quarts)

  • Inspect and replace cabin air filter, if necessary

  • Inspect and replace engine air filter, if necessary

  • Drain fuel and water separator, if necessary

  • Replace fuel filters, engine and frame-mounted(at 45K)

  • Change transfer case fluid(at 50K)

55 - 60K

  • Fuel and water separator, drain if necessary.

  • Replace fuel filters, engine and frame-mounted

  • Add coolant additive, if necessary

  • Replace air inlet foam filter

  • Perform multi-point inspection(Diesel engine; up to 13 quarts)

  • Rotate and inspect tires(check wheel end play and turning noise)

  • Replace cabin air filter, if equipped

60 - 85K

  • Rotate and inspect tires

  • Check wheel end play and turning noise

  • Perform multi-point inspection (Diesel engine; up to 13 quarts)

  • Inspect and replace cabin air filter, if necessary

  • Inspect and replace engine air filter, if necessary

  • Drain fuel and water separator, if necessary

  • Replace fuel filters, engine and frame-mounted (at 75K)

85 - 90K

  • Fuel and water separator, drain if necessary.

  • Replace fuel filters, engine and frame-mounted

  • Add coolant additive, if necessary

  • Replace air inlet foam filter

  • Perform multi-point inspection(Diesel engine; up to 13 quarts)

  • Rotate and inspect tires(check wheel end play and turning noise)

  • Replace cabin air filter, if equipped

95 - 115K

  • Rotate and inspect tires

  • Check wheel end play and turning noise

  • Perform multi-point inspection (Diesel engine;
    up to 13 quarts)

  • Inspect and replace cabin air filter, if necessary

  • Inspect and replace engine air filter, if necessary

  • Drain fuel and water separator, if necessary

  • Change transfer case fluid(at 100K)

  • Change crankcase ventilation filter element
    (at 100K)

  • Replace fuel filters, engine and frame-mounted
    (at 105K)

  • Change diesel secondary cooling system coolant (at 105K)

  • Change orange engine coolant (at 105K)

120K

  • Fuel and water separator, drain if necessary

  • Replace fuel filters, engine and frame-mounted 

  • Add coolant additive, if necessary

  • Replace air inlet foam filter

  • Perform multi-point inspection(Diesel engine; up to 13 quarts)

  • Rotate and inspect tires(check wheel end play and turning noise)

  • Replace cabin air filter, if equipped

125 - 145K

  • Rotate and inspect tires

  • Check wheel end play and turning noise

  • Perform multi-point inspection(diesel engine; up to 13 quarts)

  • Inspect and replace cabin air filter, if necessary

  • Inspect and replace engine air filter, if necessary

  • Drain fuel and water separator, if necessary

  • Replace fuel filters, engine and frame-mounted (at 135K)

150K

  • Change front axle lubricant

  • Change transfer case fluid

  • Change diesel secondary cooling system coolant

  • Replace air inlet foam filter

  • Change orange engine coolant

  • Replace fuel filters, engine and frame-mounted

  • Change automatic transmission fluid and filter

  • Replace accessory drive belts(if not replace within last 100,000 miles)

  • Add coolant additive, if necessary