15000 MI or 24000 KM
LubricateSteering and Suspension
Lubricate the front suspension, ball joints, kingpin bushings, steering linkage, transmission shift linkage, transfer case shift linkage, parking brake cable guides, rear driveline center splines, front axle propshaft splines and brake pedal springs. Kingpin and ball joint bushings should not be lubricated unless their temperature is -12 degrees C (10 degrees F) or higher or they could be damaged.
Inspect
Radiator Cooling Fan
If your engine has a thermostatically controlled cooling fan, inspect hoses and ducts for proper hook-up. Be sure the valve works properly.
Heat Shield, Exhaust
Vehicles over 8,500 lbs. GVWR only. Inspect shields and underhood insulation For damage or looseness. Adjust or replace as required.
Replace
Oil Filter, Engine
Or every 3 months, whichever occurs first.
Fluid - Differential
Except 3500 HD models: If driving in dusty areas or towing a trailer, drain fluid and refill every 25 000 km (15,000 miles). More frequent lubrication may be required for heavy-duty or off-road use.
Engine Oil
Or every 3 months, whichever occurs first.