C 2500 Truck 2WD V8-5.7L VIN R (1997)
Valve Body: Locations
4L80-E (MT1) Automatic Transmission
Ball Check Valve Locations
Install the 8 checkballs (54) (9 some models) into the case passages:
The # 2 checkball is only used on RCP, RDP, ZJP, and ZLP models