1998 Chevrolet Venture Owner's Manual - Page 422

I ShortTrip/CityMaintenanceSchedule I I DATE ACTUAL MILEAGE 99,000 Miles (165 000 km) 0 Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. I I SERVICED BY: 100,000 Miles (166 000 km) 0 Inspect spark plug wires. An Emission ControlService. 17 Replace spark plugs. An Emission ControlService. 0 Change automatic transaxle fluid and filter if the vehicle is mainly driven under one or more of these conditions: - In heavy city trafficwhere the 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 7-19