1996 GMC Savana Van Owner's Manual - Page 308

I Short TripKity Maintenance Schedule -- Gasoline Engines 1 24,000 Miles (40 000 km) 0Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. 27,000 Miles (45 000 km) 0Change engine oil andfilter (or every 3 months, whichever occurs first). An Emission Control Service. 0Lubricate chassis components; see footnote # (or every 3 months, whichever occurs first). 0Check axle fluid level and add fluid as needed. ** Lubricate chassis components; see footnote # (or every 3 months, whichever occurs first). I7 Check axle fluid level and add fluid as needed. ** I DATE I ACTUAL MILEAGE ISERVICED BYI i I I DATE ACTUAL MILEAGE SERVICED BY: 7-12