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.
-
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:
Heating
Set the mode selector dial to the
position.
Set the air intake selector to the outside
air position.
Set the temperature control dial to the
hot position.
Set the fan control dial to the desired
speed.
If dehumidified heating is desired, turn
on the air conditioner.
NOTE
...
Fuel Pump Unit Removal/Installation [Mzr 2.0, Mzr 2.5]
WARNING:
Fuel is very flammable liquid. If fuel spills or leaks from the pressurized
fuel system, it will cause serious injury or death and facility breakage. Fuel
can also irritate skin and eyes. To prevent this, always complete the “Fuel
Line Safety Procedure”, while referring ...
Variable Valve Timing Actuator Inspection [Mzr 2.3 Disi Turbo]
CAUTION:
Variable valve timing actuator cannot be disassembled because it is a precision
unit.
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the charge air cooler..
4. Remove the ignition coils..
5. Disconnect the ventilation hose from th ...
