Medium Duty Truck Maintenance Schedule A
Every 5,000 miles
- Replace motor oil (3-15 gallons)
- Replace oil filter(s)
- Fluid level service [trans, differential(s), main/parking brakes, radiator, etc..]
- Front/rear/parking brake inspection *
- U-bolt connection service (axle and box)
- Inspect motor and transmission mounts/bolts
- Lube entire chassis, steering, drive line
- Replace fuel filter(s)
- Drain and/or replace water separator
- Replace air filter(s) [if needed]
- Running lights service
- Inspect for damaged or leaking Cooling/fuel/steering/brake* system
- Inspect for abnormal leakage of motor oil/differential oil/transmission fluid.
- Inspect tires for damage, pressure and nails - inflate
- Other mechanical problems
* AIR BRAKE SYSTEMS USE A MODIFIED SCHEDULE
Medium Duty Truck Maintenance Schedule B
Every 15,000 miles
- Perform all items listed on Schedule A
- Complete steering linkage inspection/service
- Front/rear suspension service
- Parking brake service*
- Fuel/exhaust system service
- Throttle linkage service
- Spring to axle service/inspection
- Replace coolant filter (if equipped)
- Drive belt service
- Flush brake fluid
- Pressure test cooling system
- Load test charging system
* AIR BRAKE SYSTEMS USE A MODIFIED SCHEDULE
