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:

Seat Weight Sensor Calibration [Two Step Deployment Control System]
CAUTION: If any of the following work is performed, perform the seat weight sensor calibration using the M-MDS. Replacement with a new seat weight sensor Replacement with a new seat weight sensor control module Replacement with new passenger-side seat pa ...

Unfastening the Seat Belt
Depress the button on the seat belt buckle. If the belt does not fully retract, pull it out and check for kinks or twists. Then make sure it remains untwisted as it retracts. NOTE If a belt does not fully retract, inspect it for kinks and twists. If it is still not retracting properly, ...

Timing Chain Removal/Installation [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 plugs.. 7. Remove the ventilation hose. 8. Remove the coolant reserve tank with the hose still c ...