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:

Control Valve Body Removal/Installation [FS5 A EL]
Primary Control Valve Body On-Vehicle Removal WARNING: A hot transaxle and ATF can cause severe burns. Turn off the engine and wait until they are cool. Using compressed air can cause dirt and other particles to fly out, causing injury to the eyes. Wear protective eyeglasses w ...

Crankshaft Position (CKP) Sensor Inspection [Mzr 2.0, Mzr 2.5]
Visual Inspection CAUTION: When foreign material such as an iron chip is on the CKP sensor, it can cause abnormal output from the sensor because of flux turbulence and adversely affect the engine control. Be sure there is no foreign material on the CKP sensor when replacing. ...

Hood Disassembly/Assembly
Except Mazdaspeed3 1. Disassemble in the order indicated in the table. 1 Weather strip parting seal 2 Weather strip shroud seal 3 Fasteners A 4 Fasteners B 5 ...