Mazda CX-5 Service & Repair Manual: Positive Crankcase Ventilation (PCV) Valve
Purpose, Function
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Prevents release of blow-by gas (unburnt gas) into the atmosphere.
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The PCV valve is open/closed by the intake manifold vacuum.
Construction
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The PCV valve is installed to the oil separator.
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The PCV valve consists of a spring and valve.
Operation
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When the valve is pulled by the intake manifold vacuum, blow-by gas flows to the intake manifold.
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Blow-by gas flow amount is adjusted by the spring according to the intake manifold vacuum.
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
...
Purge Solenoid Valve Inspection
Airflow Inspection
1. Disconnect the negative battery cable..
2. Remove the purge solenoid valve..
3. Inspect airflow between the ports under the following conditions.
...
Other materials:
Splash Shield Removal/Installation
Front
Front splash shield No.1
1. Set the mudguard aside..
2. Remove fasteners A.
3. Remove the front splash shield No.1.
4. Install in the reverse order of removal.
Front splash shield No.2
1. Remove screw B.
2. Remove fasteners C.
3. Remove the front splash shield No.2.
4. ...
Outer Mirror Garnish Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the outer mirror glass..
3. Insert a tape-wrapped flathead screwdriver into the upper outer mirror garnish
and remove tab A, B, C, D in the direction of arrow (1).
4. Insert a tape-wrapped flathead screwdriver into the upper outer mirr ...
Fuel Gauge Sender Unit Removal/Installation [Awd]
WARNING:
Always keep sparks and flames away from fuel when servicing the fuel system.
Fuel can be easily ignited which could cause serious injury or death, and damage
to equipment.
Fuel line spills and leakage from the pressurized fuel system are dangerous.
Fuel can ignite a ...
