1998 Oldsmobile 88 Owner's Manual - Page 247

How to Check Because this operation can be a difficult, you may little choose to have this done at your Oldsmobile retail facility Service Department. If you do it yourself, be sure to follow the all instructions here, or you could get a reading on false the dipstick. 0 In heavy traffic -- especially in hot weather. While pulling a trailer. To get the right reading, the fluid should be at normal operating temperature, whichis 180°F to 200°F (82°C to 93°C). 15 Get the vehicle warmed up by driving about miles m when outside temperatures are above 50°F (24 k ) (10°C). If it's colder than50°F (lO"C), you may have to drive longer. NOTICE: Checking the Fluid Level Too much or too little fluid can damage your 0 Park your vehicle on a level place. Keep the engine transaxle. Too much can mean that somethe of running. fluid could come out and fall on hot engine parts or exhaust system parts, starting a fire. Be sure 0 With the parking brake applied, place the shift lever in PARK (P). to get an accurate reading if you check your 0 With your foot on the brake pedal, move the shift transaxle fluid. lever through each gear range, pausing about for three secondsin each range. Then, position the Wait at least minutes before checking the transaxle 30 shift lever in PARK (P). fluid level if you have been driving: 0 Let the engine run idle for three tofive minutes. at 0 When outside temperatures are above 90°F (32 "C). 0 At high speed for quite a while.