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:

Joint Shaft Removal/Installation [Mzr 2.0, Mzr 2.3 Disi Turbo, Mzr 2.5]
CAUTION: Performing the following procedures without first removing the ABS wheel-speed sensor may possibly cause an open circuit in the wiring harness if it is pulled by mistake. Before performing the following procedures, remove the ABS wheel-speed sensor connector (axle side) and ...

Automatic Transaxle Fluid (ATF) Adjustment [Fw6 A EL]
CAUTION: Only adjust the ATF level when the ATF temperature is 45—55 °C {113—131 °F}. If the ATF level is incorrect, it could damage the transaxle. Do not add ATF over the specification. Otherwise, the transaxle performance could be reduced and ATF could leak. 1. Re ...

Oil Pump Removal/Installation [Mzr 2.3 Disi Turbo]
WARNING: Hot engines and engine oil can cause severe burns. Turn off the engine and wait until it and the engine oil have cooled. A vehicle that is lifted but not securely supported on safety stands is dangerous. It can slip or fall, causing death or serious injury. Never work ...