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Home >> Chevrolet >> 2012 >> Suburban C1500 >> Repair and Diagnosis >> External Pages >> Different car >> Section 1902 (Engine Mechanical - Hybrid (LZ1) - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Positive Crankcase Ventilation Hose/Pipe/Tube Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2012 GMC Yukon, 2012 Chevrolet Tahoe, and 2012 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of PCV Tube & Right Valve Rocker Arm Cover Fitting
    GM1696757Courtesy of GENERAL MOTORS COMPANY
  1. Install the appropriate PCV hose/tube to the vehicle.
  2. Install the PCV fresh air tube (1) to the right valve rocker arm cover fitting (2), if required.
    3. Fig 2: View Of PCV Tube
    GM1696754Courtesy of GENERAL MOTORS COMPANY
    IMPORTANT:

    Route the PCV tube between the engine harness and generator battery jumper cable.

  3. Install the PCV fresh air tube (1) to the air cleaner outlet duct, if required.
    4. Fig 3: View Of PCV Hose
    GM1696791Courtesy of GENERAL MOTORS COMPANY
  4. Install the PCV dirty air hose to the intake manifold fitting and left valve rocker arm cover, if required.
  5. Install the intake manifold sight shield. Refer to Upper Intake Manifold Sight Shield Replacement .
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