you need to pull it through with a special tool, should be easy to find at any good auto parts. It's like the old toy Chinese hand cuffs, insert seal into end of tool which grabs the seal so you then pull it around the crank.
Here's another type, search Google for more.
http://www.amazon.com/Lisle-27000-Sneaky-Pete-Tool/dp/B0002SRCJW

Last edited by JiMerit Boltr#43; 05/30/2013 1:31 AM.

It's easier to get forgiveness than permission!
1946 1/2-Ton Chevy
1953 Chevy 3/4-ton Factory Stakebed