1996 Pontiac Trans Sport Owner's Manual - Page 333

I Short Trip/City Maintenance Schedule 1 42,000 Miles (70000 km) 0Change engine oil and filter (or every 3 months, whichever occursfirst). An Emission Control Sewice. 45,000 Miles (75 000 km) Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Sewice. 0Lubricate chassis components; see footnote # (or every 6 months, whichever occurs first). Rotate tires. See "Tire Inspection and Rotation'' in the Index for proper rotation pattern and additional information. During tire rotation, check brake calipersfor fieedom of movement and lubricate if required. 0Inspect air cleaner filter if you are driving in dusty conditions. Replace filter if necessary. An Emission Control Service. DATE ACTUAL MILEAGE SERVICED BY: 7-13