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:

Variable Swirl Shutter Valve Actuator Inspection [Mzr 2.3 Disi Turbo]
Operation Inspection 1. Remove the air hose.. 2. Disconnect the vacuum hose from the variable swirl control solenoid valve. 3. Connect a vacuum pump to the variable swirl shutter valve actuator. 4. Apply vacuum and verify that the rod moves. Vacuum kPa {mmHg, inHg ...

Front Fog Light Removal/Installation
Except Mazdaspeed3 1. Disconnect the negative battery cable.. 2. Remove the front bumper.. 3. Pull the wiring harness from the hook in the direction of the arrow shown in the figure and remove it. 4. Disconnect the connector. 5. Pull the wiring harness in the direction of the arrow (2 ...

EGR Pipe Removal/Installation [Mzr 2.3 Disi Turbo]
1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Remove the battery and battery tray.. 4. Remove the following parts.. Fresh-air duct Air cleaner Charge air cooler Air hose Air duct 5. Set the throttle body out of the way ...