Toyota Tundra Service Manual: Pcv Valve

Components

COMPONENTS

ILLUSTRATION

Inspection

INSPECTION

PROCEDURE

1. INSPECT PCV VALVE SUB-ASSEMBLY

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

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

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

CAUTION:

Do not suck air through the valve.

Petroleum substances inside the valve are hazardous to your health.

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

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

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

Installation

INSTALLATION

PROCEDURE

1. INSTALL PCV VALVE SUB-ASSEMBLY

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

Text in Illustration

*1

O-Ring

HINT:

  • When reusing the PCV valve sub-assembly, inspect the O-ring.
  • If the O-ring has scratches or cuts, replace the PCV valve sub-assembly.

(b) Install the PCV valve sub-assembly.

Torque:

3.5 N·m {36 kgf·cm, 31 in·lbf}

2. CONNECT PCV VALVE HOSE

(a) Connect the PCV valve hose to the PCV valve sub-assembly, and slide the clamp to secure the hose.

3. INSTALL NO. 3 ENGINE COVER

(a) Install the No. 3 engine cover.

4. INSTALL NO. 4 ENGINE COVER

(a) Install the No. 4 engine cover.

5. INSTALL INTAKE MANIFOLD

(See page )

Removal

REMOVAL

PROCEDURE

1. REMOVE INTAKE MANIFOLD

(See page )

2. REMOVE NO. 4 ENGINE COVER

(a) Remove the No. 4 engine cover.

3. REMOVE NO. 3 ENGINE COVER

(a) Remove the No. 3 engine cover.

4. DISCONNECT PCV VALVE HOSE

(a) Slide the clamp and disconnect the PCV valve hose from the PCV valve sub-assembly.

5. REMOVE PCV VALVE SUB-ASSEMBLY

(a) Remove the PCV valve sub-assembly.

    Fuel Tank Cap

    Purge Valve

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