1996 Chevrolet Corvette Owner's Manual - Page 250

Checking lkansmission Fluid Hot Get the vehicle warmed by driving about 15 miles up (24 km) when outside temperatures are above 50°F (10°C). You may have to drive longer to bring the fluid to 180°F to 200°F (82°C to 93°C) in colder outside temperatures. See "Automatic Transmission Fluid Temperature Reading" inthe Index. Checking the Fluid Hot or Cold 0 Park your vehicle on a level place. Keep the engine running. With the parking brake applied, place the shift lever in PARK (P). With your foot on the brake pedal, move the shift lever through each gear range, pausing for about three seconds in each range. Then, position the shift lever in,PARK (P). Let the engine run at idle for three minutes or more. 0 0 Checking Transmission Fluid Cold A cold checkis made after the vehicle has been sitting for eighthours or more with the engine off and is used only as a reference. Let engine run at idle for five the 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 theengine longer. Should the fluid level be low during acold.check, you must perform a hot check before adding fluid. Thiswill giveyou a more accurate reading of thefluid level. 6-19