GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2008 🢒 Allure 🢒 Engine 🢒 Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L 🢒 Positive Crankcase Ventilation Hose/Pipe/Tube Replacement

Removal Procedure

    Object Number: 1551864 Size: SH
  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:
    3. 2.1. Remove the PCV clean air tube from the air intake duct.
    2.2. Remove the PCV clean air tube from the rocker arm cover.
    2.3. Remove the PCV clean air tube.

    Object Number: 1551876 Size: SH
  3. If removing the PCV foul air tube perform the following:
    4. 3.1. Remove the PCV foul air tube from the intake manifold.
    3.2. Remove the PCV foul air tube from the rocker arm cover.
    3.3. Remove the PCV foul air tube.

Installation Procedure

    Object Number: 1551876 Size: SH
  1. If installing the PCV foul air tube perform the following:
    2. 1.1. Install the PCV foul air tube.
    1.2. Install the PCV foul air tube to the rocker arm cover.
    1.3. Install the PCV foul air tube to the intake manifold.

    Object Number: 1551864 Size: SH
  2. If installing the PCV clean air tube perform the following:
    3. 2.1. Install the PCV clean air tube.
    2.2. Install the PCV clean air tube to the rocker arm cover.
    2.3. 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 .