Mazda CX-5 Service & Repair Manual: 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 |
PCV hose |
|
2 |
Oil separator |
|
3 |
Retainer (See Retainer Removal Note.) (See Retainer Installation Note.) |
|
4 |
PCV valve |
Retainer Removal Note
CAUTION:
-
Be sure to follow the removal procedures below to prevent the leakage of blow-by gas caused by the damage to the tab of the oil separator or the oil separator itself.
1. Insert a flat blade screwdriver with its tip wrapped in a shop rag into the gap between the retainer and the oil separator as shown in the figure.
2. Spread the side surface of the retainer outward to dismount it with attention to the tab.
Retainer Installation Note
CAUTION:
-
Be sure to replace the old retainer with a new one to prevent the escape of blow-by gas. Reinstalling the old retainer will reduce airtightness.
1. Make sure that the retainer alignment mark is directed as shown in the left diagram before installing the retainer to the oil separator.
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 ...
Positive Crankcase Ventilation (PCV) Valve
Purpose, Function
Prevents release of blow-by gas (unburnt gas) into the atmosphere.
The PCV valve is open/closed by the intake manifold vacuum.
Construction
The PCV valve ...
Other materials:
Canister Vent (Cv) Solenoid Valve
U.S.A. And CANADA
Purpose, function
Seals the atmosphere side of the charcoal canister during EVAP leak check
monitoring.
Construction
Included in the charcoal canister.
The CV solenoid valve is consists of O-rings.
Operation
According to the ...
Front Tilt Motor Inspection
WARNING:
Handling a side air bag improperly can accidentally operate (deploy) the
air bag, which may seriously injure you. Read the service warnings/cautions
in the Workshop Manual before handling the front seat (side air bag integrated)..
CAUTION:
When performing the pro ...
On Board Diagnostic System PID/Data Monitor Inspection [Fw6 A EL, Fw6 Ax EL]
1. Connect the M-MDS to the DLC-2.
2. After the vehicle is identified, select the following items from the initialization
screen of the M-MDS.
a. Select “DataLogger”.
b. Select “Modules”.
c. Select “TCM”.
3. Select the applicable PID from the PID table.
4. Verify the PID da ...