Fill Tube/Dipstick Provision
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
All 1000 Series models have a fill tube/dipstick provision on both sides of the transmission. A plug is installed in the unused location.