1995 Buick Roadmaster Owner's Manual - Page 230

Wait atleast 30 minutes before checking the transmission fluid level if you have been driving: When outside temperatures are above F (32" C). 90" At high speed for quite a while. In heavy traffic -- especially in hot weather. 0 While pulling a trailer. To get the right reading, the fluid should be at normal To check the fluid hot or cold operating temperature, which is180" F to 200" F 0 Park your vehicle on a level place. Keep the engine (82" C to 93" C). running. To check transmission fluid hot: the vehicle Get 0 With the parking brake applied, place the shift lever warmed up by driving about15 miles (24 k ) m when in PARK (P). outside temperatures are above " F ( 10" C). If 50 it's colder than50" F (10" C), drive the vehicle in 0 With your foot on the brake pedal, move the shift DRIVE (D) until the engine temperature gage moves lever through each gear range, pausing about for and then remains steady ten minutes. Then follow for three seconds in each range. Then, position the shift the hot check procedures. lever inPARK (P). To check transmission fluid cold: cold checkis A 0 Let the engine run at idle three minutes or more. for made after the vehicle has been sitting eight hours or for more with the engine off and is used only as a reference. Let the engine run idle for five minutes if outside at temperatures are50" F (10" C) or more. If it's colder than 50" F (10 " C), you may have to the engine idle longer. Should the fluid level be low during a cold check, youmust perform a hot check before adding fluid. This will give youa more accurate reading the of fluid level. 6-14