1995 GMC Yukon Owner's Manual - Page 376

Schedule /I Definition Gasoline Engines With Heavy Duty Emissions Follow Schedule I1 0 1 l l ~ if none of' the conditions from Schedule I is true. * - Schedule /I Intervals - Gasoline Engines with Heavy Duty Emissions Every 6,000 Miles (10 000 km) Engine Oil and Filter Change (or every 3 months. whichever occurs first) Chassis Lubrication (or every 3 months. whichever occurs first) Drive Axle Service At 6,000 Miles (10 000 km) - Then Every 12,000 Miles (20000 km) Tire Rotation Every 12,000 Miles(20 000 km) Engine Accessory Drive Belt Inspection Shields and Underhood Insulation Inspection Thermostatically Controlled Engine Cooling Fan Check (or every I2 months, whichever occurs first) Every 24,000Miles (40000 km) Cooling System Service (or every 24 months, whichever occurs first) Air Cleaner Filter Replacement Front Wheel Bearing Repack (or at Each Brake Relining) (2-Wheel Drive Only) Fuel Filter Replacement Engine Timing Check Thermostatically Controlled Air Cleaner Inspection Air Intake System Inspection 7-8