1995 GMC Jimmy Owner's Manual - Page 316

I Schedule I Definition Follow Maintenance ScheduleI if any one of these is true for your vehicle: Most trips are less than 5 to 10 miles (8 to 16 km). This is particularly important when outside temperatures are belowfreezing. I Most trips include extensive idling (such as frequent drivingin stop and go traffic). 0 You operate your vehicle in dusty areas or off-road frequently. You frequently two a trailer or use a carrier on top of your vehicle. for Schedule I should also be followed if the vehicle is used delivery service, police, taxi, other commercialapplication. or I Schedule I Intervals Every 3,000 Miles (5 000 km) or 3 Months Engine Oil and Filter Change Chassis Lubrication Drive Axle Service I At 6,000 Miles (10 000 km) - Then Every 12,000 Miles (25 000 km) Tire Rotation Every 15,000 Miles (25000 km) Air Cleaner Filter Inspection, if driving in dusty conditions Front Wheel Bearing Repack (2WD Only) Every 30,000 Miles (50 000 km) Air Cleaner Filter Replacement Spark Plug Replacement Fuel Filter Replacement Cooling System Service (or every 24 months) Every 50,000 Miles (83 000 km) Automatic Transmission Service (severe conditions) 7-4