1994 Buick Roadmaster Owner's Manual - Page 240

To check transmission fluid cold: cold check is made A after the vehicle has been sitting for eight hours or moresteps: with the engine off and is used only a reference. Let as the engine run at idlefor five minutes if outside temperatures are50°F (10°C) or more. If it's colder engine than 50°F ( lO"C), you may have to idle the longer. Should the fluid level be low during a cold check, you must perform a hot check before adding of fluid. This will give youa more accurate reading the fluid level. 1. Flip up the dipstick and then pull out the dipstick and wipe it with a clean rag or paper towel. To check the fluid hotor cold 0 Park your vehicle on a level place. Keep the engine running. 0 With the parking brake. applied, place the shift lever in " P ' (Park). 2. Push it back in all the way, wait three seconds and 0 With your foot on the brake pedal, move the shift then pull it back out again. lever through each gear,range, pausing forabout three seconds in each range. Then, position the shift lever in "P" (Park). Let the engine run at idle for three minutes or more. 238