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 Removal/Installation [Mzr 2.0, Mzr 2.5]
WARNING: Never remove the cooling system cap or loosen the radiator drain plug while the engine is running, or when the engine and radiator are hot. Scalding engine coolant and steam may shoot out and cause serious injury. It may also damage the engine and cooling system. Tu ...

Rear Beltline Molding Removal/Installation
1. Fully open the rear door glass. 2. Remove the rear door trim.. 3. Remove clip A using a fastener remover and pull up the rear beltline molding in the direction of the arrow (1) shown in the figure. 4. Remove clip B using a fastener remover and pull up the rear beltline molding in the di ...

Saving Fuel and Protection of the Environment
How you operate your Mazda determines how far it will travel on a tank of fuel. Use these suggestions to help save fuel and reduce CO2. Avoid long warm-ups. Once the engine runs smoothly, begin driving. Avoid fast starts. Drive at lower speeds. Anticipate when to apply the brakes (a ...