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:
Variable Valve Timing Actuator Removal/Installation [Mzr 2.0, Mzr 2.5]
NOTE:
Variable valve timing actuator can not be disassembled because it is a
precision unit.
Intake camshaft sprocket is integrated with the variable valve timing actuator
and cannot be disassembled.
1. Remove the battery cover..
2. Disconnect the negative battery cable ...
Stay Damper Disposal
NOTE:
The stay damper contains colorless, odorless, nontoxic gas.
1. Wear protective eye wear.
2. Position the stay damper horizontally.
3. Drain gas and oil by cutting the position indicated in the figure to a
2—3 mm {0.08—0.11 in} depth using a metal saw.
CAUTION:
...
Decoration Panel Removal/Installation
1. Remove the following parts:
a. Passenger-side front scuff plate.
b. Passenger-side front side trim.
c. Glove compartment.
d. Passenger-side lower panel.
2. Remove the screw.
3. Pull the decoration panel in the direction of the arrow (1), (2) shown in
the figure, while remove the hoo ...
