Used to do them all the time. Used epoxy instead of injected plastic. The critical factor is alignment, so I used a dial depth gauge and a micrometer to measure the u-joint width and centering. Otherwise it will vibrate on re-assembly. If you need details, I'll e-mail you off-list Keith.kwilford said:So, fifteen months later, I am doing a bit of housekeeping again, and there STILL aren't any responses. Anyone ever changed a universal joint in an Opel?