15000 MI or 24000 KM
LubricateSteering and Suspension
Or every 3 months, whichever occurs first. Lubricate the front suspension, kingpin bushings, ball joints, steering linkage, and rear driveline center splines.
Inspect
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). More frequent lubrication may be required for heavy-duty or off-road use.
Air Filter Element
Inspect Engine Air Cleaner Filter Restriction Indicator. Inspect the air cleaner filter if vehicle is driven in dusty conditions. Replace the filter if necessary.
Replace
Oil Filter, Engine
Or every 3 months, whichever occurs first.
Engine Oil
Or every 3 months, whichever occurs first.
Clean/Repack
Wheel Bearing
Clean and repack the front wheel bearings (or at each brake relining whichever occurs first).