Mazda 3 manuals

Mazda 3 Service Manual: Positive Crankcase Ventilation (PCV) Valve Removal/Installation [Mzr 2.0, Mzr 2.5]

Mazda 3 Service Manual / Engine / Emissions / Positive Crankcase Ventilation (PCV) Valve Removal/Installation [Mzr 2.0, Mzr 2.5]

1. Remove the battery cover..

2. Disconnect the negative battery cable..

3. Remove the intake manifold and the fuel distributor component as a single unit..

4. Remove in the order indicated in the table.



1

Oil separator

2

Retainer

(See Retainer Removal Note.)

(See Retainer Installation Note.)

3

PCV valve


5. Install in the reverse order of removal.

Retainer Removal Note

CAUTION:

1. Insert a flat blade screwdriver with its tip wrapped in a cloth into the gap between the retainer and the oil separator as shown in the figure.


2. Spread the side surface of the retainer outward to dismount it with attention to the tab.

Retainer Installation Note

CAUTION:

1. Make sure that the retainer alignment mark is directed as shown in the left diagram before installing the retainer to the oil separator.


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 ...

Purge Solenoid Valve Inspection [Mzr 2.0, Mzr 2.5]
Airflow Inspection 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Remove the purge solenoid valve.. 4. Inspect airflow between the ports under the following conditi ...

Other materials:

Foot Brake
This vehicle has power-assisted brakes that adjust automatically through normal use. Should power-assist fail, you can stop by applying greater force than normal to the brake pedal. But the distance required to stop will be greater than usual. WARNING Do not coast with the engine ...

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. ...

Basic Inspection [FS5 A EL]
STEP INSPECTION ACTION 1 Measure the battery voltage. Is the battery voltage 10.0—14.0 V? Yes Go to the next step. No Replace or recharge the battery. (See BATTERY RECHARG ...

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