2 - 3 - 4 - 6 - 8 Clutch Releases
WARNING: This page is about a different car, the 2018 Chevrolet Suburban 3500 HD. However, it is still accessible from the selected car via links, so may be relevant.
2 - 3 - 4 - 6 - 8 Control Solenoid
The 2-3-4-6-8 control solenoid is signaled off allowing S4 VFS SIG fluid to exhaust. Spring pressure shifts the valve to allow 23468 CLUTCH fluid to exhaust into EX BACKFILL from the 2-3-4-6-8 clutch assembly housing.
2 - 3 - 4 - 6 - 8 Clutch Assembly
The 2-3-4-6-8 clutch is released allowing 23468 CLUTCH fluid to exhaust through the 2-3-4-6-8 control solenoid.