1994 Oldsmobile Bravada Owner's Manual - Page 178

Service &Appearance Care How to Check Because this operation can be a little difficult, you may choose have this to done at anOldsmobile dealership Service Department. If you do it yourself, besure to follow all the instructions here, or you could get a false reading thedipstick. on 4.Remove the air cleaner filter from the housing. 5. Install a new air cleaner filter and reverse steps 1-3. NOTICE: Too much or too little fluid can damage your transmission.Too much can mean that some of the fluid could comeout and fall on hot engine parts or exhaust system, starting a fire.Be sure to get an accurate reading if you check your transmission fluid. Automatic Transmission Fluid When to Check and Change 4 good time to check your automatic transmission fluid levelis when the :ngine oil is changed. Refer to the Maintenance Schedule to determine when to change your fluid. See Scheduled Maintenance Services in the Index. Wait at least 30 minutes before checking the transmission fluid level if you have been driving: When outside temperatures are abovc 90°F (32°C). At high speed for quite while. a In heavy traffic- especially in hot weather. 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). To Check Transmission Fluid Hot: Get the vehicle warmedup by driving about 15 miles (24 km)when outside temperatures are above 50°F (10°C). If it's colder than 50°F (10°C), drive the vehicle in D (3rd Gear) until the engine temperature gage movesand then remains steady forten minutes. Then follow the hotcheck procedures. To Check Transmission Fluid Cold: A cold check is made afterthe vehicle has been sitting for eighthours or more with the engine off and is used onlyas a reference. Let the engine run atidle for five minutes if outside temperatures are 50°F (10°C) or more. If it's colder than 50°F (lO"C), you may have to idle the engine longer. Shouldthe fluid level be low during a cold check, you must perform ahot check before adding fluid. This will give you a more accurate reading of the fluid level.