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:
Transaxle Range Sensor [Fw6 A EL, Fw6 Ax EL]
Purpose/Function
The transaxle range sensor detects the position of the manual valve and selector
lever.
The transaxle range sensor signal is used for automatic shift control, manual
shift control, TCC control, line pressure control, direct electric shift control,
learning co ...
Windshield Installation
WARNING:
Using a utility knife with bare hands can cause injury. Always wear gloves
when using a utility knife.
CAUTION:
If a door is opened or closed when all the window glass is closed, the resulting
change in air pressure could cause the sealant to crack preventing the ...
Ignition Coil [Skyactiv G 2.0]
Purpose, Function
The ignition coil generates high voltage by electromagnetic induction to
discharge the spark plug.
Construction
The ignition coil is installed to the upper part of the spark plug (direct
ignition coil).
With the adoption of the direct ignitio ...
