1996 Chevrolet S10 Pickup Owner's Manual - Page 242

Automatic Transmission Fluid When to Check and Change A good timeto check your automatic transmission fluid level is when the engine oil is changed. Change both thefluid and filter every 50,000 miles one (83 000 km) if the vehicle is mainly driven under or more of these conditions: In heavy city traffic where the outside temperature regularly reaches 90°F (32°C) or higher. 0 If you do it yourself, be sure to follow all the instructions here, or you could get a false reading on the dipstick. NOTICE: In hilly or mountainous terrain. When doing frequent trailer towing. Uses such as found in taxi, police or delivery service. Too much or too little fluid can damage your of transmission. Too much can mean that some the fluid could come out and fall on hot engine parts or exhaust system parts, starting a fire. Be sure to get an accurate reading if you check you transmission fluid. Wait at least 30 minutesbefore checking the transmission fluid levelif you have been driving: When outside temperatures are above 90°F (32°C). 0 0 0 0 If you do not use your vehicle under any of these conditions, the fluid and filter do not require changing. See "Scheduled Maintenance Services" in the Index. At high speed for quite a while. In heavy traffic -- especially in hot weather. How to Check Because this operation can bea little difficult, you may choose to have this done at yourGM dealer's Service Department. 0 While pulling a trailer. To get the rightreading, the fluid should be at normal operating temperature, which is180°F to 200°F (82°C to 93°C). 6-16