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:

Positive Crankcase Ventilation (PCV) Valve Inspection [Mzr 2.0, Mzr 2.5]
Airflow Inspection 1. Disconnect the section (A) of the ventilation hose shown in the figure. 2. Start the engine and verify that vacuum is applied to the end of the disconnected ventilation hose while the engine is idling. NOTE: Because it is difficult to directly inspect the PC ...

Clutch Pedal Position Switch Removal/Installation [C66 M R]
1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Disconnect the clutch pedal position switch connector. 4. Remove the clutch pedal position switch from the pedal bracket. 5. Insert a new clutch pedal position switch into the pedal bracket hole until the switc ...

Headliner Removal/Installation
1. Shift to the D (ATX) or 4th gear (MTX) position. (4SD) 2. Disconnect the negative battery cable.. 3. Remove the rain sensor cover. (Vehicles with auto light/wiper system). 4. Disconnect the rain sensor connector. (Vehicles with auto light/wiper system) 5. Partially peel back the seaming ...