1996 GMC Safari Owner's Manual - Page 311

I Short Trip/CityMaintenanceSchedule I 27,000 Miles (45 000 krn) 0Change engineoil and filter (or every 3 months, whichever occurs first). An Enzission Control Service. 24,000 Miles (40 000 km) 0Change engine oil and filter (or every 3 months, whichever occurs first). An Enzission Control Service. Tf3 Lubricate chassis components; see footnote # (or every 3 months, whichever occurs first). Check readfront axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking. ** 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. *:Ic DATE ACTUAL MILEAGE SERVICED B Y DATE ACTUAL MILEAGE SERVICED B Y 7-11