1996 Chevrolet Corvette Owner's Manual - Page 249

Automatic Transmission Fluid When to Check and Change A good time to check your automatic transmission fluid level is when the engine oil changed. is Change both the fluid and filter every 15,000 miles (25 000 km) if the vehicle is mainly driven under one or more of theseconditions: In heavy city traffic where the outside temperature regularly reaches 90 O F (32 C) or higher. O I you do it yourself, be sure to follow all the instructions f here, or you could get false reading on the dipstick. a I NOTICE: Too much or too little fluid can damage your transmission. Too much can mean that some of the fluid could come out and fall on hot engine parts or exhaust system parts, starting a Be fire. sure to get an accurate reading if you check your transmission fluid. Wait at least 30 minutes before checking the transmission fluid level if you have been driving: 0 0 In hilly or mountainous terrain. Uses such as found in taxi, police or delivery service. If you do not use your vehicle under any of these conditions, change the fluid and filter at 100,000 miles (166 000 km). See "Scheduled Maintenance Services" in the Index. When outside temperatures are above 90°F (32°C). At high speed for quite a while. In heavy traffic -- especially in hot weather. How to Check Because this operation canbe a littledifficult, you may choose to have this done at your Corvette dealership ServiceDepartment. To get the right reading, the fluid should be at normal operating temperature, which is 180°Fto 200°F (82°C to 93°C).