1995 Pontiac Bonneville Owner's Manual - Page 233

Automatic Transaxle Fluid When to Check and Change A good time to check your automatic transaxle fluid level is when the engine oil is changed. Refer to the Maintenance Scheduleto detemrrine when to changeyour fluid. See "Scheduled Maintenance Services"in the Index. Wait at least 30 minutes before checking the transaxle fluid level if you have been driving: 0 When outside temperatures are above 90"F (32°C). At high speed for quite awhile. In heavy traffic - especially in hot weather. 0 While pulling a trailer. How to Check Because this operation canbe a little difficult, you may choose to have this done atyour Pontiac dealer Service Department. If you do ityourself, be sure to follow all the instructions here, or you could get a false reading on the dipstick. 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 about €5d e s (24 k ) driving m when outside temperatures are above 50°F (10°C). If it's colder than 50°F (lO"C), you may have to drive longer. NOTICE: Too much or too little fluid can damage your transaxle. Too much can mean that some of the fluid could come out and fall hot engine parts on or exhaust system parts, startinga fire. Be sure to get an accurate reading you check your if transaxle fluid. ~~~ To check the fluid level 1. Park your vehicle on a level place. Keep the engine running. 2. With the parking brake applied, place the shift lever in PARK (P). 3. 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). 4. Let the engine run at idle for three to five minutes. 6-20