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Nissan Armada 2025-2026 Service and Repair Manual: Positive Crankcase Ventilation

Inspection

Start engine and let it idle.

Replace PCV valve from the rocker cover. Refer to Removal and Installation.

Connect PCV valve to PCV hose.

Block and unblock the air hole of PCV valve and check if a hissing noise can be heard from the air hole.

Is the inspection result normal?

YES >> INSPECTION END

NO >> Replace PCV valve. Refer to Removal and Installation.

    Other materials

    Basic information
    CAUTION Always use the Nissan Armada power outlets with the engine running to prevent battery discharge. Avoid using the power outlets simultaneously with high electrical loads such as air conditioning, headlights, or defrosters. Ensure all connected devices are turned OFF before plugg ...

    Luggage Room Lamp
    Exploded View Roof rear garnish Luggage room lamp     : Pawl : vehicle front Removal and Installation CAUTION: Disconnect the battery negative terminal or remove power circuit fuse when performing the operation for preventing electric leakage. Refer to Precautions for Remov ...

    Adas Control Unit 2
    Without Propilot Assist 2.1 Exploded View ADAS control unit 2 Bracket     : N·m(kg-mã€�in-lb) Removal and Installation REMOVALRemove combination meter. Refer to Removal and Installation. Remove mounting screw , and remove bracket . Remove mounting nuts , and remove ADAS ...