Disassembly (Except ES300 & RX300 With TRAC)
- Using a screwdriver, remove master cylinder boot. Turn reservoir cap to the OPEN side and remove it. Remove strainer. Remove master cylinder. See MASTER CYLINDER under REMOVAL & INSTALLATION. Place master cylinder in a soft-jaw vise. Remove brake reservoir set screw. Remove brake fluid reservoir. Remove 2 grommets. See Fig 1.
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- Push in piston using screwdriver, and remove straight pins by turning over cylinder body. On SC300 and SC400 models, remove No. 1 piston stopper bolt and gasket. Remove No. 2 piston stopper bolt. See Fig 1. On all models, remove 2 pistons and springs by hand, pulling straight out, not on an angle. DO NOT score cylinder wall when removing piston and spring. If piston binds, place a rag and 2 wooden blocks on a work bench. To remove No. 1 piston and spring, lightly tap master cylinder against blocks.