Mazda CX-5 Service & Repair Manual: Positive Crankcase Ventilation (PCV) System
Purpose, Outline
-
Prevents release of blow-by gas (unburnt gas) into the atmosphere.
-
The intake manifold vacuum introduces blow-by gas to the intake manifold via the PCV valve and the ventilation hose.
System Diagram
Structure
-
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:
Manual Transaxle Shift Mechanism Removal/Installation [C66 M R]
1. Disconnect the negative battery cable..
2. Remove the shift lever using the following procedure:
a. Remove the upper panel..
b. Remove the shift lever knob.
c. Remove the shift panel..
d. Remove the side wall..
e. Remove the rear console..
f. Press the tabs on the control cable ...
Rear Drive Shaft Disassembly/Assembly
1. Disassemble in the order indicated in the table.
2. Assemble in the reverse order of disassembly.
1
Boot band (differential side)
(See Boot Band (Differential Side) Disassembly Note.)
(See Boot Band (Differential Side) Assembly Note.)
2
...
Wheel Hub Component Removal/Installation [Awd]
CAUTION:
Performing the following procedures without first removing the ABS wheel-speed
sensor may possibly cause an open circuit in the wiring harness if it is pulled
by mistake. Before performing the following procedures, disconnect the ABS wheel-speed
sensor connector (body side) ...
