1995 GMC Sonoma Owner's Manual - Page 292

Selecting the Right Schedule First you'll need to decide which of the two schedules is right for your vehicle. Here's how to decide which schedule to follow: I Schedule 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 below freezing. 0 I Most trips include extensive idling (such as frequent driving in stop-and-go traffic). You operate your vehicle in dusty areas or off-road frequently. 0 You frequently tow a trailer. Schedule I should also be followed if the vehicle is used for delivery service, police, taxi, or other commercial application. 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 OOO km) At 6,000 Miles (IO 000 km) - Then Every 12,000 Miles (25 Tire Rotation Every 15,000 Miles (25 000 km) Air Cleaner FilterInspection, if driving in dusty conditions Front Wheel Bearing Repack (or at each brake relining) (2WD Only) Every 30,000 Miles (50 000 km) Air Cleaner Filter Replacement Spark PlugReplacement (Except 2.2L Code 4 engine) Fuel Filter Replacement Cooling System Service (orevery 24 months) 7-4