K 2500 Truck 4WD V8-305 5.0L VIN M SFI (1998)
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