Ventilation valve

Components

Removal

1. 1
   Remove no. 1 Engine cover (see page em-22)
2. 2
   Remove ventilation valve sub-assembly

   

1. Disconnect the ventilation hose from the ventilation valve.

2. Using a 22 mm deep socket wrench, remove the ventilation valve.

Inspection

1. Inspect ventilation valve sub-assembly

1. 1
   Install a clean hose to the ventilation valve.
2. 2
   Check the ventilation valve operation.
3. 3
   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 ventilation valve sub-assembly.

3. Remove the clean hose from the ventilation valve.

Installation

1. Install ventilation valve sub-assembly

1. Apply adhesive to 2 or 3 threads of the ventilation valve.

Adhesive: toyota genuine adhesive 1324, three bond 1324 or equivalent

2. Using a 22 mm deep socket wrench, install the ventilation valve.

Torque: 19 n*m (194 kgf*cm, 14 ft.*Lbf)

1. 1
   Connect the ventilation hose.
2. 2
   Install no. 1 Engine cover (see page em-43)
3. 3
   Check for engine oil leaks