Mazda 3 Service Manual: Engine Assembly

Refrigerant Pressure Sensor Removal/Installation [Manual Air Conditioner]

1. Disconnect the negative battery cable.. 2. Discharge the refrigerant.. 3. Disconnect the refrigerant pressure sensor connector. CAUTION: If moisture or foreign material enters the ref ...

Crank, Balancer

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Other materials:

Camshaft Position (CMP) Sensor Removal/Installation [Mzr 2.0, Mzr 2.5]
CAUTION: When replacing the CMP sensor, make sure there is no foreign material on it such as metal shavings. If it is installed with foreign material, the sensor output signal will malfunction resulting from fluctuation in magnetic flux and cause a deterioration in engine control. ...

EGR Valve Removal/Installation [Mzr 2.0, Mzr 2.5]
1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Drain the engine coolant from the radiator.. 4. Remove the air cleaner and the air hose as a single unit.. 5. Remove the radiator hose (upper, engine side).. 6. Disconnect the EGR valve connector. 7. Remove in th ...

Drive Belt Auto Tensioner Inspection [Mzr 2.0, Mzr 2.5]
MZR 2.0 1. Remove the generator drive belt with the A/C drive belt still installed and set it out of the way.. 2. Verify that the drive belt auto tensioner moves smoothly in the operational direction. If it does not move smoothly, replace the drive belt auto tensioner.. 3. T ...