GM Service Manual Online
For 1990-2009 cars only

Upper Intake Manifold Sight Shield Replacement 6.0L (LQ4)

Removal Procedure


    Object Number: 665886  Size: SH
  1. Loosen the intake manifold sight shield bolt.
  2. Remove the sight shield from the sight shield retainer.
  3. Remove the sight shield retainer bolts and the retainer, if required.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.

  1. Install the sight shield retainer and the bolts, if required.
  2. Tighten
    Tighten the retainer bolts to 5 N·m (44 lb in).


    Object Number: 665886  Size: SH

    Notice: Use care when installing the engine sight shield to avoid contacting the manifold absolute pressure (MAP) sensor wire harness connector. Loss of engine performance or engine damage may result.

  3. Install the intake manifold sight shield to the retainer.
  4. Tighten
    Tighten the bolt to 10 N·m  (89 lb in).