Mazda 3 Service Manual: Power Brake Unit Removal/Installation [Mzr 2.0, Skyactiv G 2.0, Mzr 2.5]
CAUTION:
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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.
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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. Disconnect the brake pipes from the brake pipe joint.
4. Loosen the brake pipe flare nuts as shown in the figure.
5. Move the brake pipes as shown in the figure.
6. Disconnect the steering shaft from the steering gear and linkage..
7. Remove in the order indicated in the table.
8. Remove the brake switch..
9. Install in the reverse order of removal.
10. After installation, inspect the brake pedal..
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1 |
Vacuum hose (See Vacuum Hose Removal Note (MZR 2.0, MZR 2.5).) (See Vacuum Hose Removal Note (SKYACTIV-G 2.0).) (See Vacuum Hose Installation Note (MZR 2.0, MZR 2.5).) (See Vacuum Hose Installation Note (SKYACTIV-G 2.0).) |
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2 |
Joint pin (See BRAKE PEDAL REMOVAL/INSTALLATION.) |
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3 |
Nut |
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4 |
Power brake unit |
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5 |
Gasket |
Vacuum Hose Removal Note (MZR 2.0, MZR 2.5)
1. Remove the vacuum hose from the vacuum hose clip.
2. Disconnect the vacuum hose connector from the power brake unit while pressing the tabs of the vacuum hose connector.
Vacuum Hose Removal Note (SKYACTIV-G 2.0)
1. Remove the vacuum hose..
Vacuum Hose Installation Note (MZR 2.0, MZR 2.5)
1. Insert the vacuum hose connector to the power brake unit.
2. Verify that the vacuum hose is inserted so that the connector contacts the power brake unit flange.
3. Install the vacuum hose to the vacuum hose clip.
Vacuum Hose Installation Note (SKYACTIV-G 2.0)
1. Install the vacuum hose..
Power Brake Unit Inspection
NOTE:
The following inspection methods are simple inspection methods to judge the
function of the power brake unit.
If there is any malfunction in the power brake unit, replace the ...
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 ...
Other materials:
Steering Shaft Inspection
1. Inspect the column bearing for excessive play and damage.
2. Verify that the measurement of the steering shaft indicated in the figure
is as specified.
If not within the specification replace the steering shaft component.
Steering shaft length
315—320 mm {12.41—12.59 ...
Rear Stabilizer Control Link Inspection
1. Remove the rear stabilizer control link from the vehicle..
2. Inspect for bending or damage. If there is any malfunction, replace the rear
stabilizer control link.
3. Rotate the ball joint stud 10 times and shake it side to side 10
times.
4. Measure the ball joint rotational torque usin ...
Magnetic Clutch Adjustment [Manual Air Conditioner]
1. Measure the clearance around the entire circumference between the pressure
plate and A/C compressor pulley using a thickness gauge.
2. Verify that the clearance.
If not within the specification, remove the pressure plate and adjust the
clearance by changing the shim (0.2 mm {0. ...
