Disassembly (GS 300, GS 430, IS 300 & SC 430)
- Remove rear caliper. See REAR BRAKE CALIPER under REMOVAL & INSTALLATION.
- Using a screwdriver, remove set rings and boots. See Figure.
- Prepare a wooden plate to hold pistons.
- Place plate between pistons and insert a pad on one side.WARNING: Do not place your fingers in front of piston when using compressed air.
- Use compressed air to remove pistons alternately from caliper.
- Using a screwdriver, remove piston seals from caliper.