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:
Brake Switch Inspection
CAUTION:
Inspect the brake switch with it installed to the brake pedal, otherwise
the brake switch may not operate normally. If the brake switch is removed from
the brake pedal, replace the brake switch with a new one.
1. Disconnect the brake switch connector.
2. Verify that th ...
Reporting Safety Defects
(U.S.A.)
If you believe that your vehicle has a defect which could cause a crash or
could cause
injury or death, you should immediately inform the National Highway Traffic
Safety
Administration (NHTSA) in addition to notifying Mazda Motor Corporation (Your
Mazda
Importer/Distributor).
If NHTSA re ...
Engine Coolant Temperature (ECT) Sensor Removal/Installation [Mzr 2.0, Mzr 2.5]
WARNING:
When the engine is hot, it can badly burn. Turn off the engine and wait until
it is cool before removing the ECT sensor.
ECT Sensor No.1
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Drain the engine coolant..
4. Remove the battery and b ...
