1996 GMC Safari Owner's Manual - Page 312

I Short Trip/City Maintenance Schedule I 0Replace fuel filter. An Emissiorz Cmlrrol Service. 30,000 Miles (50 000 km) 0Change engine oil and filter (or every 3 months, whichever occurs first). An Emission C m r d Service. 0Replace air cleaner filter. An Emission Corztrol Service. 0Lubricate chassis components; see footnote # (or every 3 months, whichever occurs first). 0Check 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) 0Change automatic transmission fluid and filter if the vehicle is mainly driven under one or more of these conditions: - In heavy city traffic where the outside. F temperature regularly reaches 90 O (32°C) or higher. - In hilly or mountainous terrain. 7-12