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:

Rear Door Trim Removal/Installation
1. Disconnect the negative battery cable.. 2. Move the hook in the direction of arrow shown in the figure using a tape-lapped flathead screwdriver and detach it from the rear door trim. CAUTION: Affix protective tape to the rear door trim and assist handle cover to prevent damag ...

Transaxle Oil Inspection [G66 M R]
1. Park the vehicle on level ground. 2. Remove the aerodynamic under cover No.2.. 3. Remove the oil level plug and washer. 4. Verify that the oil is near the brim of the plug port. If the oil level is lower than the low level, add the specified amount and type of oil through the ...

TCM Inspection [FS5 A EL]
NOTE: The TCM terminal voltage can vary with conditions when measuring and changes due to age deterioration on the vehicle, causing false diagnosis. Therefore a comprehensive inspection of the input and output systems, and the TCM is necessary to determine where the malfunction occu ...