Mazda 3 Service Manual: Exhaust System Inspection [Mzr 2.0, Mzr 2.5]
1. Start the engine and inspect each exhaust system component for exhaust gas leakage.
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If there is leakage, repair or replace the appropriate component..
Exhaust System Removal/Installation [Mzr 2.0, Mzr 2.5]
WARNING:
A hot engine and exhaust system can cause severe burns. Turn off the engine
and wait until they are cool before removing the exhaust system.
1. Remove the battery cover..
2 ...
Other materials:
Positive Crankcase Ventilation (PCV) Valve Inspection [Mzr 2.0, Mzr 2.5]
Airflow Inspection
1. Disconnect the section (A) of the ventilation hose shown in the figure.
2. Start the engine and verify that vacuum is applied to the end of the disconnected
ventilation hose while the engine is idling.
NOTE:
Because it is difficult to directly inspect the PC ...
Magnetic Clutch Inspection [Manual Air Conditioner]
1. Connect battery to terminal A of magnetic clutch and ground to A/C compressor
body.
SKYACTIV-G 2.0
MZR 2.0
MZR 2.5
2. Verify that the magnetic clutch operates.
If there is any malfunction, replace the magnetic clutch.
...
Wheel Hub Component Inspection
Wheel Bearing Excessive Play Inspection
1. Remove the brake caliper component and disc plate..
2. Install the magnetic base and dial gauge as shown in the figure and measure
the wheel bearing axial excessive play.
If it exceeds the maximum specification, replace the wheel hub compon ...
