1997 Pontiac Trans Sport Owner's Manual - Page 343

Automatic Trans'axleFluid When to Check and Change A good time to checkyour automatic transaxle fluid level is when the engine oil is changed. Change boththe fluid and filter every 50,000 miles (83 000 km) if the vehicle is mainly driven underone or more ofthese conditions: In heavy city traffic where the outside temperature regularly reaches90°F (32"C) or higher. In hilly or mountainous terrain. When doing frequent trailer towing. 0 How to Check Because this operation can a little difficult, you may be choose to have thisdone at your Pontiac dealership Service Department. If you do it yourself, be sure to follow al the instructions l here, or you could get a false reading on the dipstick. NOTICE: Too mnch or too little fluid can damage your a transaxle. Too much can m n that someof the fluid could come out and fall hot engine parts on or exhaust system parts, starting a fire. Be sure to get an accurate readingyou check your if transaxle fluid. Uses such as found in taxi, police or delivery service. If you do not use your vehicle under any these of conditions, the fluid and filter do not require changing. See "Scheduled Maintenance Services" in the Index. 6-18