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Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 29 (Engine Mechanical - 5.3L) >> Repair Instructions - On Vehicle >> Positive Crankcase Ventilation Hose/Pipe/Tube Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Positive Crankcase Ventilation (PCV) Foul Air Tube
    GM1551876Courtesy of GENERAL MOTORS CORP.
  1. If installing the PCV foul air tube perform the following:
    1. Install the PCV foul air tube.
    2. Install the PCV foul air tube to the rocker arm cover.
    3. Install the PCV foul air tube to the intake manifold.
    2. Fig 2: View Of Positive Crankcase Ventilation (PCV) Clean Air Tube
    GM1551864Courtesy of GENERAL MOTORS CORP.
  2. If installing the PCV clean air tube perform the following:
    1. Install the PCV clean air tube.
    2. Install the PCV clean air tube to the rocker arm cover.
    3. Install the PCV clean air tube to the air intake duct.
  3. Install the engine sight shield. Refer to Upper Intake Manifold Sight Shield Replacement .
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