My RRS had the sqealling park brake. It was caused by dirt in drums
Needed dismantling cleaning and readjusting.
PM if you want the relevent TOPiX info
A Faultmate or similar is needed to extend the servo motor and cable
Here is a link to my post on how to manually release the EPB if it gets stuck
http://www.aulro.com/afvb/d3-d4-rrs/...lease-rrs.html

