GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2002 🢒 Yukon XL - 4WD 🢒 Engine 🢒 Engine Mechanical - 8.1L 🢒 Upper Intake Manifold Sight Shield Replacement

Removal Procedure

    Object Number: 665445 Size: SH
  1. Loosen the intake manifold sight shield bolt (3).
  2. Remove the sight shield (2) from the sight shield retainer (1).
  3. Remove the sight shield bracket retainer nuts, if necessary.
  4. Remove the sight shield bracket (1), if necessary.

Installation Procedure

    Object Number: 665445 Size: SH
  1. Install the sight shield bracket, if necessary.

    2. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  2. Install the sight shield bracket nuts, if necessary.

    3. Tighten
    Tighten the intake manifold sight shield bracket nuts to 5 N·m (44 lb in).

    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 (2) to the bracket (1).
  4. Tighten the intake manifold sight shield bolt (3).

    5. Tighten
    Tighten the intake manifold sight shield bolt to 10 N·m (89 lb in).