1999 Pontiac Grand Prix Owner's Manual - Page 279

yellowblue Wait at least 30 minutes before checking the transaxle fluid level if you have been driving: D Let the engine run at idle for three to five minutes. Then, without shutting off the engine, follow these steps: D D D D When outside temperatures are above 90_F (32_C). At high speed for quite a while. In heavy traffic -- especially in hot weather. While pulling a trailer. To get the right reading, the fluid should be at normal operating temperature, which is 180_F to 200_F (82_C to 93_C). Get the vehicle warmed up by driving about 15 miles (24 km) when outside temperatures are above 50_F (10_C). If it's colder than 50_F (10_C), you may have to drive longer. Checking the Fluid Level 3100 Engine D Park your vehicle on a level place. Keep the engine running. in PARK (P). 3800 or 3800 Supercharged Engine D With the parking brake applied, place the shift lever D 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). 1. The transaxle fluid dipstick handle is the red loop near the back of the engine. Pull out the dipstick and wipe it with a clean rag or paper towel. 6-23