Mazda CX-5 Service & Repair Manual: Positive Crankcase Ventilation (PCV) System
Purpose, Outline
-
Prevents release of blow-by gas (unburnt gas) into the atmosphere.
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The intake manifold vacuum introduces blow-by gas to the intake manifold via the PCV valve and the ventilation hose.
System Diagram
Structure
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The positive crankcase ventilation system consists of the following parts:
|
Part name |
Reference |
|
PCV valve |
(See POSITIVE CRANKCASE VENTILATION (PCV) VALVE [SKYACTIV-G 2.0].) |
|
Ventilation hose |
? |
Exhaust Gas Purification System
Purpose, Outline
Purifies contaminants (HC, CO, NOx) in the exhaust gas by utilizing the chemical
reactions of the three-way catalytic converter.
System Diagram
Structure
T ...
Positive Crankcase Ventilation (PCV) Valve Inspection
Airflow Inspection
1. Disconnect the section (A) of ventilation hose shown in the figure.
2. Start the engine and verify that vacuum is applied to the end of the disconnected
ventilation hose ...
Other materials:
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 ...
Seat Track Position Sensor Removal/Installation [Two Step Deployment Control
System]
1. Switch the ignition to off.
2. Disconnect the negative battery cable and wait for 1min or more..
3. Remove the front driver’s seat..
4. Disconnect the connector from the seat track position sensor by pressing the
connector tab and pulling out the lock lever in the direction of the arro ...
Rear ABS Wheel Speed Sensor Inspection [Awd]
Installation Visual Inspection
1. Inspect the following items:
If there is any malfunction, replace the applicable part.
a. Excessive play of the ABS wheel-speed sensor
b. Deformation of the ABS wheel-speed sensor
c. Deformation or damage of the ABS sensor rotor
Clearance Inspec ...
