Toyota Corolla Cross: Pcv Valve

On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY)

(a) Check the PCV valve (ventilation valve sub-assembly) operation. (1) Start the engine. (2) Slide the clip and disconnect the No. 2 ventilation hose from the cylinder head cover sub-assembly. (3) Check that air is sucked into the cylinder head cover sub-assembly. Standard: Air is sucked into the cylinder head cover sub-assembly. If the result is not as specified, replace the PCV valve (ventilation valve sub-assembly).

Removal

REMOVAL

CAUTION / NOTICE / HINT

Procedure		Part Name Code
1	INTAKE MANIFOLD	17111	-	-	-
2	PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY)	12204C	-	-	-

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during PCV valve (ventilation valve sub-assembly) removal/installation are shown below.

PROCEDURE

1. REMOVE INTAKE MANIFOLD

Click here

2. REMOVE PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY)

Inspection

INSPECTION

PROCEDURE

1. INSPECT PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY)

(a) Install a hose to the PCV valve (ventilation valve sub-assembly).

(b) Check PCV valve (ventilation valve sub-assembly) operation.

(1) Blow air into the cylinder head sub-assembly side, and check that air passes through easily.

*a	Hose
*b	Air
	Cylinder Head Sub-assembly Side

CAUTION:

Do not suck air through the valve.

Petroleum substances inside the valve are hazardous to your health.

If the result is not as specified, replace the PCV valve (ventilation valve sub-assembly).

(2) Blow air into the intake manifold side, and check that air passes through with difficulty.

*a	Hose
*b	Air
	Intake Manifold Side

CAUTION:

Do not suck air through the valve.

Petroleum substances inside the valve are hazardous to your health.

If the result is not as specified, replace the PCV valve (ventilation valve sub-assembly).

(c) Remove the hose from the PCV valve (ventilation valve sub-assembly).

Installation

INSTALLATION

CAUTION / NOTICE / HINT

Procedure		Part Name Code
1	PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY)	12204C		-	-
2	INTAKE MANIFOLD	17111	-	-	-

PROCEDURE

1. INSTALL PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY)

(1) Apply a light coat of engine oil to the O-ring.

NOTICE:

When reusing the PCV valve (ventilation valve sub-assembly), inspect the O-ring.

(2) Install the PCV valve (ventilation valve sub-assembly) to the cylinder head sub-assembly.

2. INSTALL INTAKE MANIFOLD

Click here

READ NEXT: