Q: How to disassemble the brake master cylinder on Scion tC?
A: In order to open the brake master cylinder, take out the stopper screw, union, and grommets. Clamp it in a vise, remove the O-ring, and remove the snap ring with snap ring pliers. Draw out the No. 1 piston, and tap the flanged portion to open and take out the No. 2 piston.
Q: How to install the brake master cylinder on Scion xB?
A: Install a new O-ring, sub-assembly and wire harness clamp to install the brake master cylinder. Attach brake tubes, harness and clutch reservoir tube. Install parts, fill the brake system with fluid, bleed the system and verify that it is not leaking.