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Mazda CX-5 Service & Repair Manual: Positive Crankcase Ventilation (PCV) Valve Removal/Installation

Mazda CX-5 Service & Repair Manual / Engine / Emissions / Positive Crankcase Ventilation (PCV) Valve Removal/Installation

1. Disconnect the negative battery cable..

2. Remove the intake manifold..

3. Remove in the order indicated in the table.

4. Install in the reverse order of removal.



1

PCV hose

2

Oil separator

3

Retainer

(See Retainer Removal Note.)

(See Retainer Installation Note.)

4

PCV valve


Retainer Removal Note

CAUTION:

1. Insert a flat blade screwdriver with its tip wrapped in a shop rag 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
Airflow Inspection 1. Disconnect the section (A) of ventilation hose shown in the figure. 2. Start the engine and verify that vacuum is applied to the end of the disconnected ventilation hose ...

Positive Crankcase Ventilation (PCV) Valve
Purpose, Function Prevents release of blow-by gas (unburnt gas) into the atmosphere. The PCV valve is open/closed by the intake manifold vacuum. Construction The PCV valve ...

Other materials:

Global Positioning System (Gps) Antenna
Purpose, Function The GPS antenna receives signals sent from GPS satellites and sends them to the car navigation unit. NOTE: GPS (Global Positioning System) was developed by the Pentagon (U.S.A.) as an object locating system using satellites. The GPS antenna receives signa ...

Heater Core
Purpose The heater core heats passing air. Function A portion of the engine coolant is taken into the heater core to heat the air passing through the heater core. Construction The heater core consists of a tube which passes engine coolant, and the heat ra ...

Essential Information
Introduction Be extremely careful and prevent injury to yourself and others or damage to your vehicle when using this manual for inspection and maintenance. If you are unsure about any procedure it describes, we strongly urge you to have a reliable and qualified service shop perform the work ...

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