LEMON Manuals: Even more car manuals for everyone
Home >> Pontiac >> 2006 >> Vibe Base, AWD >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Engine Mechanical - 1.8L (LV6) >> Diagnostic Information and Procedures >> Crankcase Ventilation System Inspection/Diagnosis

Crankcase Ventilation System Inspection/Diagnosis

    Fig 1: Blowing Air Into Cylinder Head
    GM607625Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FUEL VAPORS IN EVAPORATIVE EMISSION (EVAP) COMPONENTS CAUTION in Cautions and Notices.
  1. Blow air into the cylinder head side of the PCV valve.
  2. Check that air passes through the PCV valve easily.
    3. Fig 2: Blowing Air Into Intake Manifold
    GM607623Courtesy of GENERAL MOTORS CORP.
  3. Blow air into the intake manifold side of the PCV valve.
  4. Check that air passes through the PCV valve with high resistances.
  5. If the PCV valve fails either test, replace the PCV valve.
scientia non olet · About LEMON Manuals