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:

Rear Door Removal/Installation
WARNING: Removing the rear door without supporting it could cause the rear door to fall and cause serious injury. Always perform the procedure with at least another person to prevent the rear door from falling. 1. Disconnect the negative battery cable.. 2. Remove in the order i ...

Windshield Defrosting and Defogging
Set the mode selector dial to the position and turn the fan control dial to the desired speed. In this position, the outside air position is automatically selected, and when the fan control dial is ON, the air conditioner automatically turns on. The air conditioner will directly dehumidify ...

Heater Core Inspection
1. Inspect the heater core for damage, cracks, and water leakage. If there is any malfunction, replace the heater core. 2. Visually inspect the fins for bending. If there is any bending, use the end of a flathead screwdriver to straighten the fins. 3. Visually inspect ...