2004 Chevrolet Astro Owner's Manual - Page 235

Reinstalling the Engine Cover 1. Lift the engine cover into the front of the vehicle and slide it all the way forward. Make sure the rubber seal is over the latches. 2. Tighten the two bolts located on the engine cover to reinstall the cover to the front of the dash. 3. Put the heater duct over the engine cover studs. Push up on the duct gently until it snaps into place. 4. Reconnect the electrical connectors. 5. Reconnect the AM radio ground strap. 6. Reinstall the engine cover extension by gently squeezing the sides and sliding it into place. Make sure all of the fastener clips engage and the extension fits properly in place. Reinstall and tighten the two screws. 7. Reinstall the two nuts to secure the extension in place. Engine Air Cleaner/Filter See Engine Compartment Overview on page 5-12 for the location of the engine air cleaner/filter. When to Inspect the Engine Air Cleaner/Filter Inspect the engine air cleaner/filter every 15,000 miles (25 000 km) and replace every 30,000 miles (50 000 km). If you are driving in dusty/dirty conditions, inspect the filter at each engine oil change. 5-21