Brake Master Cylinder: Disassembly

WARNING: This page is about a different car, the 2006 Scion tC. However, it is still accessible from the selected car via links, so may be relevant.

REMOVE UNION
1. Remove the stopper screw and master cylinder union.
2. Remove the 2 grommets from the master cylinder.
REMOVE BRAKE MASTER CYLINDER KIT
1. Hold the master cylinder in a vise with the 2 aluminum plates in between.
2. Remove the O-ring from the master cylinder.
3. Push in the piston.
4. Using snap ring pliers, remove the snap ring.
  
  Fig 1: Removing O-Ring From Master Cylinder
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  NOTE: When pushing the piston, the fluid left in the cylinder may spatter.
5. Push in the piston and remove the piston stopper bolt and gasket.
6. Remove the No. 1 piston from the master cylinder body by pulling it straight out.
  
  Fig 2: Removing Piston Stopper Bolt
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  NOTE: Do not scratch the inside of the cylinder body.
7. Tap the flanged part against wooden blocks until the end of the No. 2 piston comes out. When the end of the No. 2 piston comes out, pull out the No. 2 piston straight from the master cylinder body.
Fig 3: Pulling Out No 2 Piston Straight From Master Cylinder Body
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NOTE: Do not scratch the inside of the cylinder body.