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:
Transmission/Transaxle Features
Clutch and Manual Transaxle [C66M-R]
A newly developed, C6-type manual transaxle (SKYACTIV-MT) with 6 forward
gears and 1 reverse gear has been adopted.
Automatic Transaxle [FW6A-EL, FW6AX-EL]
A newly developed, FW6A(X)-EL-type electronically controlled automatic transaxle
...
Side Step Molding Removal/Installation
1. Set the rear over fender aside..
2. Insert a tape-wrapped flathead screwdriver shown in the figure and remove
the clip A in the direction of arrow (1).
3. Slide the side step molding in the direction of the arrow (2) shown in the
figure and remove clips B from side step molding.
4. ...
Wiper/Washer System
Outline
The following wiper/washer system has been adopted.
Windshield wiper system
Rear wiper system
Auto wiper system (with auto wiper system)
Washer fluid-level sensor (with washer fluid-level sensor)
Specification
Windshiel ...
