1996 Oldsmobile Bravada Owner's Manual - Page 226

Automatic Transmission Fluid When to Check and Change A good time tocheck your automatic transmission fluid level is when the engine oil is changed. Change both the fluid and filter every 50,000 miles (83 000 k m ) if the vehicle is mainly driven under one or more of these conditions: In heavy city traffic where the outside temperature regularly reaches 90°F (32°C) orhigher. In hilly or mountainous terrain. 0 If you do it yourself, be sure to follow allthe instructions here, or you could get a false reading on the dipstick. 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 a fire. Be parts or exhaust system parts, starting 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 0 When doing frequent trailer towing. Uses such as found in taxi, police or delivery service. If you do not use your vehicle under any of these conditions, the fluid and filter donot require changing. 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 can be a little difficult, you may choose tohave this done at your Oldsmobile retail facility Service Department. 0 While pulling a trailer. To get the right reading, the fluid should be at normal operating temperature, which is 180°F to 200°F (82°C to 93°C).