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 is installed to the oil separator.

The PCV valve consists of a spring and valve.

Operation
When the valve is pulled by the intake manifold vacuum, blow-by gas flows to the intake manifold.

Blow-by gas flow amount is adjusted by the spring according to the intake manifold vacuum.
Positive Crankcase Ventilation (PCV) Valve Removal/Installation
Purge Solenoid Valve InspectionAwd Control Module Inspection
NOTE:
AWD CM terminal voltage can vary depending on measuring conditions and vehicle
aging, resulting in misdiagnosis. Therefore, it is necessary to perform an overall
inspection of the input/output systems and AWD CM to determine which part is
malfunctioning.
With the AWD C ...
Transfer Oil Seal Replacement [Fw6 Ax EL]
Transfer oil seal (LH)
1. Drain the transfer oil..
2. Remove the transfer from the vehicle..
3. Insert a tape-wrapped flathead screwdriver into the lip area of the oil seal
(LH) as shown in the figure and remove the oil seal (LH).
4. Using the SST and a hammer, tap the new seal into pla ...
License Plate Light Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Liftgate upper trim.
b. Liftgate side trim.
c. Liftgate lower trim.
3. Disconnect the connector.
4. While pressing the license plate light tab in the direction of arrow (1) shown
in the figure, press the l ...