1998 Chevrolet Venture Owner's Manual - Page 427
1998 Chevrolet Venture Manual
Page 427 highlights
I LongTripMighwayMaintenance 45,000 Miles (75 000 km) Schedule I DATE 0 Change engine oil and filter (or every 12 months, whichever occursfirst). An Emission Control Service. 0 Lubricate chassis components (or every 12 months, whichever occursfirst). (See footnote #.) 0 Replace passenger compartment air filter. Rotate tires. See "Tire Inspection and Rotation'' in the Index for proper rotation pattern and additional information. (See footnote +.) I 50,000 Miles (83 000 km) Change automatic transaxle fluid and filter if the vehicle is mainly driven under one or more of these conditions: - In heavy city traffic wherethe 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. I f you do not use your vehicle under anyof these conditions, the fluid and filter do not require changing. DATE MILEAGE I 7-24