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:

High Mount Brake Light Disassembly/Assembly
4SD 1. Disconnect the negative battery cable.. 2. Remove the trunk lid trim.. 3. Remove the high-mount brake light.. 4. Remove the high-mount brake light outer lens. 5. Remove the high-mount brake light inner lens. 6. Remove the screws (with advanced keyless entry and push button ...

Interior Light Bulb Removal/Installation
1. Disconnect the negative battery cable.. 2. Insert a tape-wrapped fastener remover into the service hole and pry with the screwdriver in the direction shown by the arrow to remove the lens. 3. Remove the interior light bulb. 4. Install in the reverse order of removal. ...

Air Fuel Ratio (A/F) Sensor Removal/Installation [Mzr 2.0, Mzr 2.5]
WARNING: A hot engine and exhaust system can cause severe burns. Turn off the engine and wait until they are cool before removing the exhaust system. 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Remove the plug hole plate.. 4. Remove the air clea ...