Toyota Prius: Pcv Valve

Removal

REMOVAL

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.

Necessary Procedures After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure	Necessary Procedure	Effect/Inoperative Function when Necessary Procedure not Performed	Link
Replacement of throttle body assembly Cleaning the deposits from the throttle body assembly Gas leak from exhaust system is repaired	Inspection after repair	Poor idle, etc. Engine start function, etc.

CAUTION / NOTICE / HINT

COMPONENTS (REMOVAL)

Procedure		Part Name Code
1	INTAKE MANIFOLD	17111	-	-	-
2	VENTILATION HOSE	12261	-	-	-
3	PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY)	12204		-	-

★

Precoated part

-

-

PROCEDURE

1. REMOVE INTAKE MANIFOLD

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2. DISCONNECT VENTILATION HOSE

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

(1) Using a 22 mm ball joint lock nut wrench, remove the PCV valve (ventilation valve sub-assembly) from the No. 1 ventilation case.

Inspection

INSPECTION

PROCEDURE

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

Pre-procedure1

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

Procedure1

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

(1) Blow air into the No. 1 ventilation case side, and check that air passes through easily.

*a	Hose
*b	Air
	No. 1 Ventilation Case 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).

Post-procedure1

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

Installation

INSTALLATION

CAUTION / NOTICE / HINT

COMPONENTS (INSTALLATION)

Procedure		Part Name Code
1	PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY)	12204		-	-
2	VENTILATION HOSE	12261	-	-	-
3	INTAKE MANIFOLD	17111	-	-	-

	N*m (kgf*cm, ft.*lbf): Specified torque	*	For use with a 22 mm ball joint lock nut wrench
	Adhesive 1324	★	Precoated part

PROCEDURE

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

*a

Adhesive 1324

*b

Torque Wrench Fulcrum Length

(1) Apply adhesive to the PCV valve (ventilation valve sub-assembly).

Adhesive:

Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent

(2) Using a 22 mm ball joint lock nut wrench, install the PCV valve (ventilation valve sub-assembly) to the No. 1 ventilation case.

Torque:

Specified tightening torque :

20 N·m {204 kgf·cm, 15 ft·lbf}

NOTICE:

Do not start the engine for at least 1 hour after installation.

2. CONNECT VENTILATION HOSE

3. INSTALL INTAKE MANIFOLD

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