2003 Chevrolet S10 Pickup Owner's Manual - Page 284

3. Insert a new air filter. See Normal Maintenance Replacement Parts on page 5-103 to determine which filter to use. 4. Reinstall the engine air cleanedfilter cover. Tighten the fasteners to hold the cover in place. Refer to the Maintenance Schedule to determine when to replace the engine air cleanedfilter. See Part A: Scheduled Maintenance Services on page 6-4 Notice: If the air cleaner/filter is off, a backfire can cause a damaging engine fire.And, dirt can easily get into your engine, which will damage it. Always have the air cleanerhlter place when in you're driving. Automatic Transmission Fluid When to Check and Change A good time to check your automatic transmission fluid level is when the engine oil is changed. Operating the engine with the air cleanedfilter off can cause you or othersto be burned. The air cleaner not only cleans the air, it stops flame if the engine backfires. Ifit isn't there and the engine backfires, you could be burned. Don't drive with it off, and be careful working on the engine with the air cleaner/filteroff. Change both the fluid and filter every 15,000 miles (25 000 km) if the vehicle is mainly driven under one or more of these conditions: In heavy city traffic where the outside temperature regularly reaches 90°F (32°C) or higher. 0 0 In hilly or mountainous terrain. When doing frequent trailer towing. Uses such as found in taxi, police or delivery service. If you do not use your vehicle under any of these conditions, change the fluid and filter every 50,000 miles (83 000 km). See Part A: Scheduled Maintenance Services on page 6-4 5-21