Forward Clutch Applies
WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
#1 Ball Check Valve
The #5 ball check valve remains unseated and routes drive (18) fluid thru orifices #41 and 42 to the forward clutch.
Forward Clutch Assembly
Drive (18) fluid is routed to the forward clutch piston to apply the forward clutch plates.