Toyota
Toyota Land Cruiser
 Service Manual
Emission Control
Positive crankcase ventilation (pcv) system

INSPECTION

1. REMOVE V-BANK COVER

2. INSPECT PCV VALVE

(a) Remove the PCV valve.

(b) Install a clean hose to the PCV valve.

(b) Install a clean hose to the PCV valve.

(c) Inspect the PCV valve 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 harmful.

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

    If operation is not as specified, replace the PCV valve.

(d) Remove the clean hose from the PCV valve.

(e) Reinstall the PCV valve.

3. INSPECT HOSES, CONNECTIONS AND GASKETS

3. INSPECT HOSES, CONNECTIONS AND GASKETS

Visually for cracks, leaks or damage.

Visually for cracks, leaks or damage.

4. REINSTALL V-BANK COVER

    More about Emission Control:

    Emission control system

    Evaporative emission (evap) control system

    Positive crankcase ventilation (pcv) system

    Parts layout and schematic drawing

    Three-way catalytic converter (TWC) system

    Toyota Land Cruiser Service Manual / Emission Control / Positive crankcase ventilation (pcv) system

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