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:

Front Drain Hose Removal
1. Set the air intake mode to FRESH. 2. Set the air mix mode to MAX COLD. 3. Disconnect the negative battery cable. 4. Remove the rain sensor cover. (Vehicles with auto light / wiper system). 5. Disconnect the rain sensor connector. (Vehicles with auto light / wiper system) 6. Partially ...

Map Light Inspection
1. Disconnect the negative battery cable.. 2. Remove the map light.. 3. Verify that the continuity between the map light terminals is as indicated in the table. If not as indicated in the table, inspect the bulb. If there is no malfunction, replace the map light. 4. ...

Variable Intake Air Shutter Valve Actuator Inspection [Mzr 2.0, Mzr 2.5]
Operation Inspection 1. Remove the air hose.. 2. Disconnect the vacuum hose from the variable intake air shutter valve actuator. 3. Connect a vacuum pump to the variable intake air shutter valve actuator. NOTE: Covered with a hood, the rod of the variable intake air shutter valv ...