GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Impala 🢒 Engine 🢒 Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L 🢒 Valve Lifter Oil Manifold Installation

    Object Number: 1536553 Size: SH
  1. Do not lift the manifold assembly by the electrical lead frame.

    2. Object Number: 1402014 Size: SH

    Important: 

       • All gasket surfaces should be free of oil or other foreign material during assembly.
       • Do not allow dirt or debris to enter the oil passages of the manifold. Plug as required.

  2. Install the service gasket (556) onto the manifold.

    3. Object Number: 1402004 Size: SH
  3. Install the manifold (451) with gasket.

    4. Notice: Refer to Fastener Notice in the Preface section.

  4. Install the manifold bolts (506).

    5. Tighten
    Tighten the manifold bolts to 25 N·m (18 lb ft).