1998 GMC Safari Owner's Manual - Page 360

I Short TripKity Maintenance Schedule I 90,000 Miles (150 000 km)(Continued) 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 vehiclemF-ly driven is under one or moreof these conditions: - In heavy city traffic where the outside temperature regularl; 90°F (32°C) or higher. - In hilly or mountainous terrain. - When doing frequent trailer towing. - Uses such as found in taxi, police or delivery service. Ifyou do not use your vehicle under anyf these conditions, change thefluid o andfilter every 50,000 miles (83 000 km). 0 Replace fuel filter. An Emission Control Service. (See footnote?.) 0 Replace air cleaner filter. An Emission Control Service. 0 Rotate tires. See "Tire Inspection and Rotation" in Index for proper the rotation pattern and additional information. (See footnote +.) ~ 93,000 Miles (155 000 km) 0 Change engine oil and (or every 3 months, whichever occurs first). filter An Emission Control Service. I DATE I MILEAGE 7-26