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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 144 (Engine Mechanical - 4.3L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Positive Crankcase Ventilation (PCV) Valve Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 GMC Savana and 2003 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the air cleaner assembly.
    Fig 1: Removing Air Cleaner Assembly
    G02077685Courtesy of GENERAL MOTORS CORP.
  2. Disconnect the PCV valve hose assembly from the intake manifold.
  3. Disconnect the PCV valve hose assembly from the left valve rocker arm cover.
  4. Inspect the tube and hose for cuts or cracking.
  5. Inspect the grommets in the valve rocker arm covers for cuts or cracking.
  6. Replace the PCV hose/tube as required.
    Fig 2: Removing PCV Valve Hose Assembly
    G02077686Courtesy of GENERAL MOTORS CORP.
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