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:
Underbody Dimensions [Dimensions]
NOTE:
The following figure is a bottom view.
Point symbol
Designation
Hole diameter or bolt or nut size mm {in}
A
Front crossmember installation hole
?24 {0.94}
B
Fro ...
Efficient Installation Of Body Panels
Checking Preweld Measurements And Watching
Align to the standard reference dimensions, based upon the body dimensions
illustration, so that new parts are installed in the correct position.
Welding Notes
For the number of weld points, welding should be performed in accord ...
Speaker [With Bose®]
Purpose
Converts the audio signal from the audio unit to sound.
High quality sound is provided for the driver and passengers.
Function
Full-range speakers, which can output wide-range sound from low to high frequency,
have been adopted.
A better sound effect an ...
