I've got a 1969 European model with the heavy front axle. I replaced the left rear axle seal last year. You have to remove the housing from the differential and take everything out of the housing. I left my tire on. I removed everything that would prevent it from coming off, i.e. Fender, stabilizer chain etc. Have plenty of clean hydraulic fluid jugs handy for when you drain it. I removed all the bolts holding the housing on. Then standing inside of the tire with my back to it I was able to work it out and then lay the wheel down therefore pointing the axle upward. It wasn't all that bad, just heavy work. Pay close attention to how everything comes out. I had to buy a 1 5/16" socket to remove the main bolt down inside. I then had to rig up a press using a small bottle jack and a chain to pop the housing off of the axle shaft. The seal is attached to the housing. I ruined one new seal because I didn't realize how it went on. It doesn't press on but you do have to press it down( used same press rig to do this) and then peen it all the way around to get it to stay on. Sorry for the long post.
