2010 Chevrolet Avalanche Owner's Manual - Page 434

Engine Air Cleaner/Filter See Engine Compartment Overview on page 6‑14 for the location of the engine air cleaner/filter. Inspect the air cleaner/filter at the Maintenance II intervals and replace it at the first oil change after each 50,000 mile (80 000 km) interval. See Scheduled Maintenance on page 7‑3 for more information. If driving on dusty/dirty conditions, inspect the filter at each engine oil change. Replacing the Engine Air Cleaner/Filter 1. Locate the air cleaner/ filter assembly . See Engine Compartment Overview on page 6‑14. How to Inspect the Engine Air Cleaner/Filter To inspect the air cleaner/filter, remove the engine air cleaner/filter from the vehicle by following Steps 1 through 6. When the engine air cleaner/filter is removed, lightly shake it to release loose dust and dirt. If the engine air cleaner/filter remains caked with dirt, a new filter is required. 2. Loosen the four screws on the cover of the housing and lift up the cover. 6-20