1998 Chevrolet Lumina Owner's Manual - Page 258

How to Check Because this operation can be a little difficult, you may choose to have this done at your Chevrolet dealership Service Department. 0 At high speed for quite a while. In heavy traffic -- especially in hot weather. While pulling a trailer. If you doit yourself, be sure to follow the all instructions here, or you could get false readingon a the dipstick. NOTICE: To get the right reading, the fluid should be at normal operating temperature, which 180°F to is 200°F (82°C to 93°C). Get the vehicle warmed up by driving about miles 15 (24 km) when outside temperatures are above 50°F (10°C). If it's colder than50°F (lO"C), you may have to drive longer. Too much or too little fluid can aamage your Checking the Fluid Level transaxle. Too much can mean that somethe of 0 Park your vehicle on level place. Keep the a fluid could come out and fall hot engine parts on or exhaust system parts, starting a fire. Be sure to engine running. 0 With the parking brake applied, place the shift get an accurate reading you check your if lever in PARK (P). transaxle fluid. 0 Wait at least 30 minutes before checking the transaxle fluid level if you have been driving: 0 When outside temperatures are above "F (32"C . 90 ) 0 With lever three lever your foot on the brake pedal, move the shift through each gear range, pausing for about seconds in each range. Then, position shift the inPARK (P). Let the engine run at idle three to five minutes. for 6-20