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:
Oil Seal (Differential) Replacement [Fw6 A EL, Fw6 Ax EL]
Transaxle Case Side
1. Remove the front under cover No.2..
2. Drain the ATF..
3. Disconnect the drive shaft (LH) from the transaxle..
CAUTION:
The oil seal is easily damaged by the sharp edges of the drive shaft splines.
Do not let the splines contact the oil seal.
4. Remove ...
Air Bag System Warning Light [Two Step Deployment Control System]
Purpose
The air bag system warning light notifies the driver of a malfunction in
the SRS air bag system.
Function
If a malfunction occurs in the SRS air bag system, the air bag system warning
light illuminates or flashes.
Construction
LEDs (light-emitting d ...
Propeller Shaft On Vehicle Inspection
Joint Area Excessive Play Inspection
1. Shake the universal joint by hand and verify that there is no excessive play.
2. If there is any excessive play, replace the propeller shaft..
Propeller Shaft Runout Inspection
CAUTION:
Do not rotate the propeller shaft using engine force wh ...
