Gil
The Rotary valve O-Rings used for the GM Power Level system is 5/32" ID &
9/32" OD. 3 ea per valve is required. Available at most Auto Parts
stores, etc. The shaft also has O-Ring for which I spread a silicone
grease onto them for service/seal, never had to change (grease
application only).
Duane of Orange CA
The Rotary valve O-Rings used for the GM Power Level system is 5/32" ID &
9/32" OD. 3 ea per valve is required. Available at most Auto Parts
stores, etc. The shaft also has O-Ring for which I spread a silicone
grease onto them for service/seal, never had to change (grease
application only).
Duane of Orange CA