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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1496 (Engine Mechanical - 5.3L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Crankcase Ventilation Hoses/Pipes Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Envoy XL and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the hose/tube as necessary.
  2. Install the vent hose to the throttle body and the valve rocker arm cover.
    Fig 1: Installing Vent Hose To Throttle Body And Valve Rocker Arm Cover
    G02129078Courtesy of GENERAL MOTORS CORP.
  3. Install the PCV valve (2) to the tube (1).
  4. Install the PCV tube (1) and valve (2) to the intake manifold and valve rocker arm cover.
    Fig 2: Identifying Positive Crankcase Ventilation Hose And PCV Valve
    G02129079Courtesy of GENERAL MOTORS CORP.