2007 Chevrolet Silverado 1500 Pickup Owner's Manual - Page 497

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: 3. If the fluid level is good, install the plug and be sure it is fully seated. If the fluid level is low, add more fluid as described in the next steps. How to Add Manual Transmission Fluid Here is how to add fluid. Refer to the Maintenance Schedule to determine what kind of fluid to use. See Recommended Fluids and Lubricants on page 626. 1. Remove the filler plug. 2. Add fluid at the filler plug hole. Add only enough fluid to bring the fluid level up to the bottom of the filler plug hole. 3. Install the filler plug. Be sure the plug is fully seated. 5-speed for VORTEC™ 4300 V6 and 4800 V8 engines shown, other manual transmissions similar 1. Remove the filler plug. 2. Check that the lubricant level is up to the bottom of the filler plug hole. 497