2006 Chevrolet Silverado 1500 Pickup Owner's Manual - Page 543

Additional Required Services (Gasoline Engine) This maintenance section applies to vehicles with a gasoline engine. If your vehicle has a diesel engine, see the maintenance schedule section in the DURAMAX® Diesel Engine Supplement. The following services should be performed at the first maintenance service (I or II) after the indicated miles (kilometers) shown for each item. Additional Required Services Service and Miles (Kilometers) Inspect fuel system for damage or leaks. Inspect exhaust system for loose or damaged components. Vehicles without a filter restriction indicator: Replace engine air cleaner filter. See Engine Air Cleaner/Filter (Gasoline Engines) on page 5-25. 6-speed manual transmission only: Change clutch fluid. See footnote (l). Allison Transmission® only: Change automatic transmission fluid and filter (severe service). See footnote (m). Allison Transmission® only: Change automatic transmission fluid and filter (normal service). 25,000 (41 500) • • 50,000 (83 000 75,000 (125 000) • • 100,000 (166 000 125,000 (207 500) • • 150,000 (240 000 6-7