Mazda 3 Service Manual: Power Brake Unit Removal/Installation [Mzr 2.3 Disi Turbo]

Mazda 3 Service Manual / Brakes / General / Power Brake Unit Removal/Installation [Mzr 2.3 Disi Turbo]

CAUTION:

Once the brake switch clearance has automatically been adjusted, it cannot be adjusted again. Therefore, replace the switch with a new one when replacing the power brake unit or performing any procedure that changes the pedal stroke.
Secure the steering wheel using tape or a cable to prevent the steering shaft from rotating after disconnecting the steering shaft. If the steering wheel rotates after the steering shaft and the steering gear and linkage are disconnected, the internal parts of the clock spring could be damaged.

1. Remove the battery and battery tray..

2. Remove the master cylinder..

3. Loosen the brake pipe flare nuts as shown in the figure.

4. Move the brake pipes as shown in the figure.

5. Disconnect the steering shaft from the steering gear and linkage..

6. Remove in the order indicated in the table.

7. Remove the brake switch..

8. Install in the reverse order of removal.

9. After installation, inspect the brake pedal..

1	Vacuum hose
2	Joint pin (See BRAKE PEDAL REMOVAL/INSTALLATION.)
3	Nut
4	Power brake unit
5	Gasket

Power Brake Unit Removal/Installation [Mzr 2.0, Skyactiv G 2.0, Mzr 2.5]

CAUTION: Once the brake switch clearance has automatically been adjusted, it cannot be adjusted again. Therefore, replace the switch with a new one when replacing the power brake unit or ...

Vacuum Hose Removal/Installation [Mzr 2.0, Mzr 2.5]

1. Remove the battery and battery tray.. 2. Remove the vacuum hose from the vacuum hose clip. 3. Insert a thin flathead screwdriver at the point indicated by the arrow in the figure, push th ...

Other materials:

Crankshaft Position (CKP) Sensor Inspection [Mzr 2.0, Mzr 2.5]
Visual Inspection CAUTION: When foreign material such as an iron chip is on the CKP sensor, it can cause abnormal output from the sensor because of flux turbulence and adversely affect the engine control. Be sure there is no foreign material on the CKP sensor when replacing. ...

Refrigerant Pressure Sensor Removal/Installation [Manual Air Conditioner]
1. Disconnect the negative battery cable.. 2. Discharge the refrigerant.. 3. Disconnect the refrigerant pressure sensor connector. CAUTION: If moisture or foreign material enters the refrigeration cycle, cooling ability will be lowered and abnormal noise will occur. Always immediate ...

Crankshaft Position (CKP) Sensor Removal/Installation [Mzr 2.0, Mzr 2.5]
Removal CAUTION: When foreign material such as an iron chip is on the CKP sensor, it can cause abnormal output from the sensor because of flux turbulence and adversely affect the engine control. Be sure there is no foreign material on the CKP sensor when replacing. Do not a ...