30000 MI or 48000 KM
LubricateSteering and Suspension
Or every 12 months, whichever occurs first. Lubricate the front suspension, kingpin bushings, ball joints, steering linkage, and rear driveline center splines.
Inspect
Radiator Cooling Fan
If your engine has a thermostatically controlled cooling fan, inspect hoses and ducts for proper hook-up (or every 12 months, whichever occurs first). Be sure the valve works properly. U.S. vehicles only.
Heat Shield, Exhaust
Vehicles over 10,000 lbs. GVWR only. Inspect shields and underhood insulation For damage or looseness. Adjust or replace as required. U.S. vehicles only.
Fluid - Differential
Inspect fluid level and add fluid as needed. 2500 and 3500 Series Only; If driving in dusty areas or towing a trailer, drain fluid and refill every 25 000 km (15,000 miles).
Brakes and Traction Control
Air Cleaner Housing
Inspect the air intake system installation to assure that gaskets are properly sealed and that all hose connections, fasteners and other components are tight. Also check to be sure that the air cleaner housing is properly seated and the cover fits tightly. Tighten connections and fasteners or replace damaged parts as necessary. U.S. vehicles only.
Replace
Oil Filter, Engine
Or every 12 months, whichever occurs first.
Fuel Filter
Engine Oil
Or every 12 months, whichever occurs first.
Air Filter Element
Clean/Repack
Wheel Bearing
Clean and repack the front wheel bearings (or at each brake relining whichever occurs first).
Rotate
Tires