2003 Chevrolet Malibu Owner's Manual - Page 303

Long Trip/Highway Definition Follow this scheduled maintenanceonly if none of the conditions from the Short Trip/City Scheduled Maintenance are true. Do not use this schedule if the vehicle is used for trailer towing, driven in a dusty area or used off paved roads. Use the Short TripKity schedule for these conditions. Short Trip/City Scheduled Maintenance The services shown in this schedule up to 100,000 miles (166 000 km) should be repeated after 100,000 miles (166 000 km) at the same intervals for the life of this vehicle. The services shown at 150,000 miles (240 000 km) should be repeated at the same interval after 150,000 miles (240 000 km) for the life of this vehicle. See Part 8 : Owner Checks and Serviceson page 6-16 and Part C: Periodic Maintenance Inspections on page 6-20. Driving a vehicle with a fully warmed engine under highway conditions will cause engine oil to break down slower. Long Trip/Highway intervals Every 7,500 Miles (12 500 km): Engine Oil and Filter Change (or every 12 months, whichever occurs first). Tire Rotation. Every 30,000 Miles (50000 km): Engine Air Cleaner Filter Replacement. Every 50,000 Miles (83000 km): Automatic Transaxle Service (severe conditions only). Every 100,000 Miles (166 000 km): Spark Plug Wire Inspection. Spark Plug Replacement. Every 150,000 Miles (240000 km): Cooling System Service (or every 60 months, whichever occurs first). Engine Accessory Drive Belt Inspection. These intervals only summarize maintenance services. Be sure to follow the complete scheduled maintenance on the following pages. 6-6 Footnotes t The U.S. Environmental Protection Agency or the California Air Resources Board has determined that the failure to perform this maintenance item will not nullify the emission warranty or limit recall liability prior to the completion of the vehicle 's useful life. We, however, urge that all recommended maintenance services be performed at the indicated intervals and the maintenance be recorded. + A good time to check your brakes is during tire rotation. See Brake System Inspection on page 6-21.