TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
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BAT/Brakes, ABS & TRAC Systems13 / 167
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MASTER CYLINDER DISASSEMBLY — MK4 Supra Brakes, ABS & TRAC Systems, page 13
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BR–13 BRAKE SYSTEM – MASTER CYLINDER MASTER CYLINDER DISASSEMBLY Assembly is in the reverse order of disassembly. ASSEMBLY NOTICE: Apply lithium soap base glycol grease to the rubber parts indicated by the arrows (See page BR–12). 1. REMOVE MASTER CYLINDER BOOT Using a screwdriver, remove the master cylinder boot. ASSEMBLY NOTICE: Facing the UP mark on the master cylinder boot upwards, install the cylinder boot to the master cylinder. 2. REMOVE RESERVOIR CAP AND STRAINER 3. REMOVE RESERVOIR Remove the set screw and pull out the reservoir. Torque: 1.7 N·m (17.5 kgf·cm, 15.2 in.·lbf) 4. REMOVE 2 GROMMETS 5. PLACE CYLINDER IN VISE R07200 6. w/ TRAC: REMOVE NO.1 PISTON STOPPER BOLT Using a screwdriver, push the pistons in all the way and re- move the No.1 piston stopper bolt and gasket. HINT: Tape the screwdriver tip before use. Torque: 10 N·m (100 kgf·cm, 7 ft·lbf) 7. REMOVE NO.2 PISTON STOPPER BOLT Using a screwdriver, push the pistons in all the way and re- move the No.2 piston stopper bolt and gasket. Torque: 10 N·m (100 kgf·cm, 7 ft·lbf) R07120 8. REMOVE 2 PISTONS (a) Push in the piston with a screwdriver and remove the snap ring with snap ring pliers. HINT: Tape the screwdriver tip before use. (b) Remove the No.1 piston and spring by hand, pulling straight out, not at an angle. NOTICE: If pulled out and install at an angle, there is a possibility that the cylinder bore could be damaged. ASSEMBLY NOTICE: Be careful not to damage the rub- ber lips on the pistons. (c) Place a rag and 2 wooden blocks on the work table and lightly tap the cylinder flange against the block edges until the piston drops out of the cylinder. DISASSEMBLY HINT: Make sure the distance (A) from the rag to the top of the blocks is at least 100 mm (3.94 in.) R07121 BR3895 A