1995 Chevrolet S10 Pickup Owner's Manual - Page 231

Automatic Transmission Fluid When to Check and Change A good time to check your automatic transmission fluid level is when the engine oil is changed. Refer to the Maintenance Schedule to determine when to change your fluid. See "Scheduled Maintenance Services" in the Index. How to Check Because this operation can be a little difficult, you may choose to have this done at your GM dealership Service Department. If you do it yourself, be sure tofollow all the instructions here, or you could get a false reading on the dipstick. I NOTICE: Too much or too little fluid can damage your transmission. Too much can mean that some of the fluid could come out and fall on hot engine parts exhaust system parts, starting a fire. Be sure or to get an accurate reading if you check your transmission fluid. Wait at least 30 minutes before checking the transmission fluid level if you have been driving: When outside temperatures are above 90°F (32°C). 0 0 0 At high speed for quite a while. In heavy traffic -especially in hot weather. While pulling a trailer. To get theright reading, the fluid should be at normal operating temperature, which is 180°F to 200°F (82°C to 93°C). To check transmissionfluid hot: Get the vehicle warmed up by driving about 15 miles (24 kn when outside temperatures are above 50°F ( 10°C). r) If it's colder than 50°F (lO"C),drive the vehicle in THIRD GEAR (D) until the engine temperature gage moves and then remains steady for ten minutes. Then follow the hot check procedures. 6- 14