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:
Liftgate Upper Trim Removal/Installation
1. Take the shaded area shown in the figure, detach tab A while pulling the liftgate
upper trim in the direction of the arrow (1) shown in the figure, then detach clips
B, clip C and pin D while pulling in the direction of the arrow (2).
2. Take the shaded area shown in the figure, detach ...
Audio Amplifier Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Front scuff plate (RH).
b. Front side trim (RH).
3. Remove the bolts.
4. Lift up the audio amplifier in the direction of the arrow (1) shown in the
figure, pull it in the direction of the arrow (2) shown in ...
Steering Wheel And Column Inspection
Play inspection
1. With the wheels in the straight-ahead position, start the engine.
2. Turn the steering wheel to the left and right gently, then verify that the
steering wheel play is within the specification.
Steering wheel play
0—30 mm {0—1.1 in}
Looseness, Exces ...
