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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 4.3L (On-Vehicle) >> Repair Instructions >> Positive Crankcase Ventilation (PCV) Valve Replacement >> Installation Procedure

Installation Procedure

  1. Install the PCV valve cover using the following procedure:
    1. 1.1. Install a NEW seal (O-ring) on the PCV valve cover.
    2. 1.2. Lubricate the seal with clean engine oil.
    3. 1.3. Install the PCV valve cover in the upper intake manifold.
    4. 1.4. Turn and lock the PCV valve cover in position.
    Fig 1: PCV Valve Cover & Seal
    G01660990Courtesy of GENERAL MOTORS CORP.
  2. Connect the PCV valve hose assembly to the valve rocker arm cover.
  3. Connect the PCV valve hose assembly to the intake manifold.
    Fig 2: PCV Valve Hose Assembly
    G01660991Courtesy of GENERAL MOTORS CORP.
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