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:
Dashboard Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Windshield wiper arm and blade.
b. Cowl grille.
c. Windshield wiper motor.
d. Front scuff plate.
e. Front side trim.
f. Glove compartment.
g. Dashboard under cover.
h. Decoration panel.
i. Center panel. ...
Power Outer Mirror
Outline
The power outer mirror adjusts the outer mirror glass position up/down and
left/right using the up/down adjustment motor and, left/right adjustment motor.
The up/down adjustment motor and, left/right adjustment motor turns clockwise
(down/right direction) or counterclock ...
Antenna Feeder No.2 Inspection
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. A-pillar trim (RH).
b. Trunk board.
c. Trunk end trim (RH).
d. Rear scuff plate (RH).
e. Trunk side trim (RH).
3. Disconnect antenna feeder No.1.
4. Disconnect antenna feeder No.3.
5. Verify that t ...
