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:

Adjuster Anchor Removal/Installation
WARNING: The side air bag sensor is attached to the lower part of the B-pillar. When working around the B-pillar, disconnect the negative battery cable or work carefully, avoiding excessive impact to the lower part of the B-pillar. 1. Remove the following parts: a. Front sc ...

Front Seat Belt Removal/Installation [Two Step Deployment Control System]
WARNING: Handling the front seat belt (pre-tensioner seat belt) improperly can accidentally deploy the pre-tensioner seat belt, which may seriously injure you. Read the air bag system service warnings and cautions before handling the front seat belt.. WARNING: Th ...

Instrument Cluster Inspection
Speedometer Using a speedometer tester CAUTION: When only the front or the rear wheels are driven using a speedometer tester, the ABS or DSC may determine that the vehicle speed signal is in error and the engine cannot be stopped by the normal operation. If the engine cannot be stopp ...