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:
Front Bumper Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the screw A and fasteners B.
3. Remove the screws C.
4. Remove the bolts D.
5. Remove the fasteners E, screw F and fastener G.
6. Pull the front bumper in the direction of the arrow in the order of (1), (2)
and (3), the ...
Mass Air Flow (MAF) Sensor Inspection [Mzr 2.0, Mzr 2.5]
Visual Inspection
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Disconnect the MAF/IAT sensor connector.
4. Remove the MAF/IAT sensor..
5. Visually inspect the MAF/IAT sensor for the following:
Damage, cracks, soiling
Rusted sensor terminal
...
Auto Lock/Unlock Function
WARNING
Do not pull the inner handle on a front
door:
Pulling the inner handle on a front
door while the vehicle is moving
is dangerous. Passengers can fall
out of the vehicle if the door opens
accidentally , which could result in
death or serious injury.
When ...
