The weakest part of the Model T Ford design is the rear axle. OK, sure, it was well designed for its time, and perfectly adequate when the car was new. The fact is, if any part of it fails, the car won’t go forward, and it won’t stop either. People have been killed or injured because their rear axle failed in a Model T.
This article is about the drive shaft assembly. We are going to rebuild it as a Ford mechanic would have done back in the day. First let’s take it apart and see what we have to work with.