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:

Input/Turbine Speed Sensor Removal/Installation [FS5 A EL]
CAUTION: Always use a new bolt. If the removed input/turbine speed sensor installation bolt is reused, it may cause oil leakage. A sealant coating is applied to the input/turbine speed sensor installation bolt to prevent oil leakage from the installation bolt hole which passes ...

Rear Door Trim Disassembly/Assembly
1. Disassemble in the order shown in the figure. 1 Screw 2 Assist handle 3 Switch panel cover 4 Power window subswitch 5 Rear door trim 2. Assembl ...

Controlling the Passenger Front Airbag
Model 3 has an occupancy sensor in the front passenger seat that controls the status of the front airbag. Note: The occupancy classification system (OCS) meets the regulatory requirement of FMVSS 208 and automatically detects when inflating the passenger front airbag would be unnecessary or ...

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