1994 GMC Jimmy Owner's Manual - Page 255

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 engineparts or exhaust system, starting afire. Be sure toget an accurate reading you check your transmissionfluid. if Check the fluid level only when your engine is off, the vehicle is parked on a level place and the transmission is cool enough for you to rest your fingers on the transmission case. Then, follow these steps: 1. Remove the filler (upper) plug. 2. Check that the lubricant level is to the bottomof the filler plug hole. up 3. If the fluid level isgood, install the plug and be sure is fully seated.If it the fluid level is low, add more fluid as described in the steps. next How to Add Fluid Here's how to add fluid. Refer to theMaintenance Schedule to determine what kind of fluid to use. See "Recommended Fluids and Lubricants" in the Index. 1. Remove the filler plug. 2. Add fluid at the filler plug hole. Add onlyenough fluid to bring the fluid level up to the bottom the filler plug hole. of 3. Install the filler plug. Be sure theplug is fully seated. 6-19