GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2006 🢒 GTO 🢒 Body 🢒 Wiring Systems 🢒 Throttle Body Assembly Replacement

Removal Procedure
  1. Remove the air intake duct from the throttle body. Refer to Air Cleaner Assembly Replacement .

    2. Object Number: 1408854 Size: SH

    Notice: Handle the electronic throttle control components carefully. Use cleanliness in order to prevent damage. Do not drop the electronic throttle control components. Do not roughly handle the electronic throttle control components. Do not immerse the electronic throttle control components in cleaning solvents of any type.

    Important: The intake manifold, throttle body, fuel injection rail, and fuel injectors may be removed as an assembly. If not servicing the individual components, remove the manifold as a complete assembly.

  2. Remove the electrical wire harness connector from the throttle body.
  3. Remove the throttle body bolts (538).
  4. Remove the throttle body (508).
  5. Remove the throttle body gasket (509), and discard.

Installation Procedure

    Object Number: 1408854 Size: SH

    Important: DO NOT use the throttle body gasket again. Install a NEW gasket during assembly.

  1. Install the throttle body gasket (509) to the intake manifold. Align the locating tab of the gasket with the notch in the manifold.

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

  2. Install the throttle body (508) and bolts (538).

    3. Tighten
    Tighten the throttle body bolts to 10 N·m (89 lb in).

  3. Install the electrical wire harness connector from the throttle body.
  4. Install the air intake duct to the throttle body. Refer to Air Cleaner Assembly Replacement .