Mazda 3 Service Manual: 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 the ring down and disconnect the vacuum hose from the intake manifold.
4. Move the vacuum hose as shown in the figure.
5. Disconnect the vacuum hose connector from the power brake unit while pressing the tabs of the vacuum hose connector.
6. Remove the vacuum hose.
7. Install in the reverse order of removal.
8. Insert the vacuum hose connector to the power brake unit.
9. Verify that the vacuum hose is inserted so that the connector contacts the power brake unit flange.
10. Verify that the vacuum hose is inserted so that the joint contacts the intake manifold ring.
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 ...
Vacuum Hose Removal/Installation [Mzr 2.3 Disi Turbo]
1. Remove the charge air cooler cover..
2. Remove the charge air cooler..
3. Insert a thin flathead screwdriver at the point indicated by the arrow in
the figure, push the ring down and disconne ...
Other materials:
Intake Manifold Vacuum Inspection [Mzr 2.0, Mzr 2.5]
1. Disconnect the evaporative hose (purge solenoid valve side) and install the
vacuum gauge..
2. Verify that the intake air hoses are installed securely.
3. Warm up the engine.
4. Measure the intake manifold vacuum while idling (no load) using the vacuum
gauge.
If not within the sp ...
Wastegate Control Solenoid Valve Inspection [Mzr 2.3 Disi Turbo]
Airflow Inspection
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the wastegate control solenoid valve..
4. Inspect the airflow between the ports under the following conditions.
If not as specified, replace the wastegate control solenoid val ...
Underbody Maintenance
Road chemicals and salt used for ice and
snow removal and solvents used for dust
control may collect on the underbody. If
not removed, they will speed up rusting
and deterioration of such underbody parts
as fuel lines, frame, floor pan, and exhaust
system, even though these parts may be
coate ...
