1996 GMC Safari Owner's Manual - Page 309

I Short TripKity MaintenanceSchedule 1 0Change automatictransmission fluid and filter 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. - In hilly or mountainous terrain. - When doing frequent trailer towing. - Uses such as found in taxi, police or delivery service. IJ'you do not ltse your- vehicle under any o f tlwse conditions, clzmge the fluid crndfilter wery 30,000 milos (50 000 kin). DATE ACTUAL MILEAGE SERVICED B Y 15,000 Miles (25 000 km) Change engineoil and filter (or every 3 months, whichever occurs first). An Emission Control Service. 0Lubricate chassis components; see footnote # (or every 3 months, whichever occurs first). 0Inspect air cleaner filter if you are driving in dusty conditions. Replacefilter if necessary. An Emission C o ~ t r oSer-~ic-e. l Check readfront axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking. *:% 0For Two-Wheel-Drive vehicles only: Clean and repack the front wheel bearings (or at each brake relining,whichever occurs first). 7-9