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:
Outer Mirror Glass Removal
1. Disconnect the negative battery cable.
2. Press area B of the mirror glass so that area A moves outward.
3. Detach pin B while lifting up the inside of the mirror glass holder.
4. Pull the mirror glass holder and remove pins A and C.
5. Disconnect the mirror heater connectors. (Ve ...
Emission Control System
This vehicle is equipped with an emission control system (the catalytic
converter is
part of this system) that enables the vehicle to comply with existing exhaust
emissions
requirements.
WARNING
Never park over or near anything fl ammable:
Parking over or near anything fl ammable ...
EGR Pipe Removal/Installation [Mzr 2.3 Disi Turbo]
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the battery and battery tray..
4. Remove the following parts..
Fresh-air duct
Air cleaner
Charge air cooler
Air hose
Air duct
5. Set the throttle body out of the way ...