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:

Thermostat Inspection [Mzr 2.0, Mzr 2.5]
1. Remove the thermostat.. 2. Visually check that the thermostat valve is closed. 3. Place the thermostat in water. WARNING: During inspection, the thermostat and water are extremely hot and can cause severe burns. Do not touch the thermostat and water. 4. Heat the water and c ...

Variable Tumble Shutter Valve Switch Inspection [Mzr 2.0, Mzr 2.5]
Voltage Inspection NOTE: The variable tumble shutter valve switch cannot be removed as a single unit. When replacing the variable tumble shutter valve switch, replace it together with the intake manifold as a single unit. 1. Connect the M-MDS to the DLC–2. 2. Switch the ...

Brake Hose (Front) Removal/Installation [Mzr 2.0, Skyactiv G 2.0, Mzr 2.5]
1. Remove in the order indicated in the table. 2. Install in the reverse order of removal. 3. Add brake fluid, bleed the brakes, and inspect for leakage after the installation has been completed.. 1 Brake pipe 2 Clip 3 ...