Mazda 6 Service Manual: Master cylinder disassembly/assembly

Caution

• If the master cylinder body is damaged, replace the unit as a component. When securing the master cylinder in a vise, tighten only the flange of the master cylinder.

1. Disassemble in the order indicated in the table.

2. Assemble in the reverse order of disassembly.

Stop Screw and O-ring (without ABS) Assembly Note

1. Install the secondary piston and primary piston.

2. Install the new O-ring onto the stop screw.

3. Push the primary piston assembly in full.

4. Install and tighten the stop screw.

Tightening torque 2.0-2.4 N·m {21-24 kgf·cm, 18-21 in·lbf}

5. Push and release the secondary piston component to verify that it is held properly by the stop screw.

Stop Pin and O-ring (with ABS) Assembly Note

1. Install the secondary piston with the piston hole facing the stop pin and primary piston.

2. Install the new O-ring onto the stop pin.

3. Push the primary piston assembly in full.

4. Install and tighten the stop pin.

Tightening torque 6.9-9.8 N·m {71-99 kgf·cm, 62-86 in·lbf}

5. Push and release the secondary piston component to verify that it is held properly by the stop pin.