CTS-V V8-6.0L VIN U (2006)
Valve Body: Locations
4L80-E/4L85-E - Automatic Transmission
Component Location
Ball Check Valve Locations (Case, Control Valve Body Side)
1 - Overrun Clutch
3 - Front Band Apply
4 - 2nd Clutch
5 - 3rd Accumulator
6 - 4th Accumulator
8 - 3rd Clutch
9 - Reverse
10 - 4th Clutch
