Ahhh yesss..... the other back.

Well replacing the front seal is same as back - pull old out, lube new and drive it in. Use seal puller or the old sheet metal screw trick to remove - just be careful not to gouge shaft. PVC pipe of proper diameter makes an adequate seal driver. Looks like you don't bottom it out against the bearing though. Just drive it below the lip 1mm + a hair and call it good. Here are the instructions from the shop manual: