2007 Chevrolet Express Van Owner's Manual - Page 304

Engine Air Cleaner/Filter See Scheduled Maintenance (Gasoline Engine) on page 400 for more information. If you are driving in dusty/dirty conditions, inspect the filter at each engine oil change. How to Inspect the Engine Air Cleaner/Filter To inspect the air cleaner/filter, remove the filter from the vehicle and lightly shake the filter to release loose dust and dirt. If the filter remains caked with dirt, a new filter is required. Never use compressed air to clean the filter. To inspect or replace the engine air cleaner/filter, do the following: 1. Unhook the retainer clips and remove the cover. 2. Lift the filter out of the engine air cleaner/filter housing. Care should be taken to dislodge as little dirt as possible. 3. Clean the engine air cleaner/filter housing. 4. Inspect or replace the engine air cleaner/filter. Make sure that the filter fits properly into the housing. 5. Reinstall the cover and fasten the retaining clips. The engine air cleaner/filter is located near the center of the engine compartment. See Engine Compartment Overview on page 298 for more information on location. When to Inspect 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 (85 000 km) interval. 304