12000 MI or 19200 KM
LubricateSteering and Suspension
Heavy Duty Emissions Only; Lubricate the front suspension (or every 12 months, whichever occurs first). Lubricate 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. Ball joints and kingpin 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
Heavy Duty Emissions Only; 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
Heavy Duty Emissions Only; Inspect shields and underhood insulation For damage or looseness. Adjust or replace as required.
Fluid - Differential
Heavy Duty Emissions Only; Inspect front/rear axle fluid level and add fluid as needed. Inspect constant velocity joints and axle seals for leaking.
Drive Belt
Heavy Duty Emissions Only; Inspect the accessory drive belt for cracking, fraying, wear, improper tension. Adjust or replace as necessary.
Replace
Oil Filter, Engine
Heavy Duty Emissions Only; Or every 12 months.
Engine Oil
Heavy Duty Emissions Only; Or every 12 months.