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:

Audio Unit Disassembly/Assembly
CAUTION: When disassembling the audio unit, it could get scratched if it is placed directly on the ground. When disassembling the audio unit, spread a soft cloth underneath to perform the work. 1. Disassemble in the order indicated in the table. 2. Assemble in the reverse order ...

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

Immobilizer System
The immobilizer system allows the engine to start only with a key the system recognizes. If someone attempts to start the engine with an unrecognized key, the engine will not start, thereby helping to prevent vehicle theft. If you have a problem with the immobilizer system or the key, co ...