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Home >> Infiniti >> 2009 >> QX56 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Component Testing >> Positive Crankcase Ventilation >> Component Inspection >> PCV Valve Ventilation Hose
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PCV Valve Ventilation Hose

  1. Check hoses and hose connections for leaks.
  2. Disconnect all hoses and clean with compressed air. If any hose cannot be freed of obstructions, replace.
    Fig 1: Cleaning Hoses Using Compressed Air
    G06315886Courtesy of NISSAN MOTOR CO., U.S.A.
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