Rear Brake Shoe, Wheel Cylinder & Brake Drum: Removal

WARNING: This page is about a different car, the 2008 Toyota Yaris. However, it is still accessible from the selected car via links, so may be relevant.

REMOVE REAR WHEEL
DRAIN BRAKE FLUID
NOTE: Immediately wash off any brake fluid that comes into contact with any painted surfaces.
REMOVE REAR BRAKE DRUM SUB-ASSEMBLY
1. Release the parking brake and remove the rear brake drum.
  If the rear brake drum cannot be removed easily, perform the following procedure.
2. Remove the hole plug and insert a screwdriver through the hole into the backing plate, and hold the automatic adjust lever away from the adjuster.
3. Using another screwdriver, contract the brake shoe by turning the adjusting bolt.
  
  Fig 1: Holding Automatic Adjust Lever Away From Adjuster
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002