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Home >> Buick >> 2008 >> Allure CXL >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Engine Mechanical - 5.3L) >> Repair Instructions - On Vehicle >> Positive Crankcase Ventilation Hose/Pipe/Tube Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: View Of Positive Crankcase Ventilation (PCV) Clean Air Tube
    GM1551864Courtesy of GENERAL MOTORS CORP.
  1. Remove the engine sight shield. Refer to Upper Intake Manifold Sight Shield Replacement .
  2. If removing the positive crankcase ventilation (PCV) clean air tube perform the following:
    1. Remove the PCV clean air tube from the air intake duct.
    2. Remove the PCV clean air tube from the rocker arm cover.
    3. Remove the PCV clean air tube.
  3. Fig 2: View Of Positive Crankcase Ventilation (PCV) Foul Air Tube
    GM1551876Courtesy of GENERAL MOTORS CORP.
  4. If removing the PCV foul air tube perform the following:
    1. Remove the PCV foul air tube from the intake manifold.
    2. Remove the PCV foul air tube from the rocker arm cover.
    3. Remove the PCV foul air tube.