Just picked up another s type and both rear regulators are shot. Propped it up with wood for the time being because I cannot figure out how to detach the window from the regulator. I've don't the front but never had a rear go out. Sorry about the new account its been a long time and I cannot remember my old username or password

 

This thread is for a later model, so I'm not sure if all details are the same for early models. It mentions some pins that have to be removed:

https://www.jaguarforums.com/forum/s...ics-faq-57126/