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:
Overheating
Overheating
If the High engine coolant temperature warning light illuminates, the vehicle
loses power, or you hear a loud knocking or pinging noise, the engine is probably
too hot.
WARNING
Switch the ignition to off and make sure the fan is not running before attempting
to work near the c ...
Front Combination Light Disassembly/Assembly
1. Disassemble in the order shown in the figure.
Halogen type
1
Short cord
(See Short Cord Removal Note.)
2
Parking/Front turn light bulb
(See PARKING/FRONT TURN LIGHT BULB REMOVAL/INSTALLATION.)
3
Headlight ...
Tie Rod End Replacement
1. Remove the snap pin.
2. Loosen the tie-rod end locknut.
3. Detach the tie-rod end from the steering knuckle using the SST.
4. Remove the tie-rod end locknut.
5. Place alignment marks as shown in the figure for proper installation.
6. Remove the tie-rod end.
7. Align th ...
