You need to disconnect the drive shaft & pull the yoke. Then remove the 5 bolts & remove the flange. The seal can be removed & replaced from the back side of the flange.
Post a photo of that truck. I used to work on stepvans for years. Most werer Grummans.

George


They say money can't buy happiness. It can buy old Chevy trucks though. Same thing.
1972 Chevy c10 Cheyenne Super
In the Gallery Forum