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:
Declaration of Conformity
Declaration of Conformity
Keyless Entry System/Immobilizer System
Blind Spot Monitoring (BSM) System
Radiation Hazard
This BSM (blind spot monitoring) device emits intentional electromagnetic radiation
in the 24 GHz to 25 GHz frequency range. The total radiated average power over the
entir ...
Power Window Main Switch
Purpose
Remote control of door glass open/close and power outer mirror adjustment
are possible with occupant seated in the cabin.
Function
Power window main switch
Manual
When the power window main switch is operated for manual open/close operation,
it sends ...
Torque Box Removal [Panel Replacement]
Symbol Mark
Removal Procedure
1. Drill the 19 locations indicated by (A) shown in the figure.
NOTE:
When drilling the 19 locations indicated by (A) shown in the figure, do not
drill a hole all the way through or there could be a problem when installing
the new part.
2 ...
