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• Towing a trailer over 1000 miles
• Sustained, high speed driving at gross vehicle weight rating
• Use of any Bio diesel
Engine Maintenance Intervals
Oil and Oil Filter
Oil change service intervals should be completed as indicated
by the instrument cluster message center
Air Filter
Inspect lter minder every 5,000 miles or 200 engine hours,
replace as needed
Coolant Change
Initial change 60,000 miles or 2400 hours of engine operation;
Subsequent changes every 45,000 miles or 1,800 engine
hours
Coolant Nitrate Strength Check Check every 15,000 miles or 600 engine hours
Transmission Fluid and Filter
Check every 15,000 miles or one year, whichever comes rst
Change Transmission Fluid at 150,000 Miles
Transfer Case Fluid and Rear Axle Fluid Change every 50,000 miles
In order to keep your vehicle running correctly, it is important to have the systems on your vehicle checked
regularly.
is
can help identify potential issues and prevent major problems. It is recommend having the following
multi-point inspection performed at every scheduled maintenance interval to help make sure your vehicle keeps
running great.
Multi-Point Inspection
Accessory Drive Belts Radiator, Cooler, Heater and A/C Hoses
Battery Performance Suspension Components
Engine Air Filter Steering and Linkage
Exhaust System Tires for Wear and Proper Ination
Exterior and Interior Lamps Wheel Torque
All Fluid Levels Ballistic Glass for Cracks, Chips or Delamination
Oil and Fluid Leaks Washer Spray and Wiper Operation
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