1998 GMC Safari Owner's Manual - Page 354

I 9hort Trip/City Maintenance Schedule 60,000 Miles (100 000 km) (Continued) 0 Lubricate chassis components (or every months, whichever occurs first). 3 (See #.) i 0 Check readfront axle fluid level and add as needed. Check constant fluid velocity joints and axle seals for leaking. (See footnote**.) 0 For Two-Wheel-Drive vehicles only: Clean and repack the wheel front bearings (or at each brake relining, whichever occurs first). 0 Change automatic transmission fluid and filter if the vehicleis mainly driven under one or more of these conditions: - In heavy city traffic where the outside temperature regularly reaches 90"F (32O C) or higher. - In hilly or mountainous terrain. - When doing frequent trailer towing. - Uses such as foundin taxi, police or delivery service. If you do not useyour vehicle under any these conditions, change of rneJmc and filter every 50,000 miles (83 000 km). Inspect engine accessory drive belt. 0 Replace fuel filter. An Emission .Control Service. (See footnote?.) 0 Replace air cleaner filter. An Emission Control Service. e 3: 7-20 I'