Mazda 3 Service Manual: Exhaust & Emissions
Valve Clearance Inspection [Mzr 2.0, Mzr 2.5]
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the plug hole plate..
4. Disconnect the wiring harness.
5. Remove the ignition coils..
6. Remove the spark ...
Exhaust System Inspection [Mzr 2.0, Mzr 2.5]
1. Start the engine and inspect each exhaust system component for exhaust gas
leakage.
If there is leakage, repair or replace the appropriate component..
...
Other materials:
Vacuum Hose Removal/Installation [Skyactiv G 2.0]
1. Remove the plug hole plate..
2. Remove the battery and battery tray..
3. Remove the vacuum hose from the vacuum hose clip.
4. Pinch open the clamp using pliers and disconnect the vacuum hose from the
vacuum pump.
5. Move the vacuum hose as shown in the figure.
6. Disconnect th ...
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.
...
Body And Accessories
ABBREVIATIONS
ACC
Accessories
AUX
Auxiliary jack
CAN
Controller Area Network
DLC
Data Link Connector
GND
Ground
LH
Left Hand
...
