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:
Front Pillar Removal [Panel Replacement]
Symbol Mark
Removal Procedure
CAUTION:
Remove the curtain air bag module to prevent damage before servicing.
Front-side
Rear-side
CAUTION:
Avoid cutting with a blowtorch or similar tools as the insulator (shaded
area) is flammable.
1. Rough cut the ...
Identification Numbers
Vehicle Information Labels
Vehicle Identification Number
The vehicle identification number legally identifies your vehicle. The number
is on a plate attached to the left top side of the dashboard. This plate can easily
be seen through the windshield.
Motor Vehicle Safety Standard Label
...
Clutch Unit Removal/Installation [C66 M R]
1. Disconnect the negative battery cable..
2. Remove the MTX..
3. Remove in the order indicated in the table.
4. Install in the reverse order of removal.
5. Add the specified amount of specified transaxle oil..
1
Boot
2
Clutch release ...
