Mazda 3 Service Manual: Check Valve Inspection [Skyactiv G 2.0]
Airflow Inspection
1. Remove the vacuum hose..
2. Blow air into the vacuum hose using your mouth from the vacuum pump side and verify that the air flows to the intake manifold side, then blow air from the intake manifold side and verify that the air does not flow to the vacuum pump side.
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If there is any malfunction in the check valve, replace it with the vacuum hose as a single unit..
Air Bypass Valve Inspection [Mzr 2.3 Disi Turbo]
1. Remove the air bypass valve..
2. Connect the vacuum pump to the vacuum ports of the air bypass valve.
3. Verify that the airflow is as indicated in the table.
Vacuu ...
Compression Inspection [Mzr 2.0, Mzr 2.5]
WARNING:
Hot engines and oil can cause severe burns. Be careful not to burn yourself
during removal/installation of each component.
Fuel vapor is hazardous. It can very easily ignit ...
Other materials:
EGR Valve Removal/Installation [Mzr 2.0, Mzr 2.5]
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Drain the engine coolant from the radiator..
4. Remove the air cleaner and the air hose as a single unit..
5. Remove the radiator hose (upper, engine side)..
6. Disconnect the EGR valve connector.
7. Remove in th ...
Trunk Lid Opener Cable Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Front seat (LH)(See FRONT SEAT REMOVAL/INSTALLATION.)
b. Front scuff plate (LH).
c. Rear scuff plate.
d. B-pillar lower trim.
e. Rear seat cushion.
f. Rear seat back.
g. Tire house trim (LH).
h. Trunk end ...
Transaxle Oil Replacement [G66 M R]
1. Park the vehicle on level ground.
2. Remove the aerodynamic under cover No.2..
3. Remove the drain plug and washer.
4. Drain the oil into a suitable container.
5. Install a new washer and the drain plug.
Tightening torque
39—59 N·m {4.0—6.0 kgf·m, 29—43 ft·lbf}
...
