GM Service Manual Online
For 1990-2009 cars only

Throttle Body Installation 6.2L LS3


    Object Number: 1875999  Size: SH

    Note: 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. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the throttle body (508) and bolts (538). Tighten the throttle body bolts to 10 N·m (89 lb in).

Throttle Body Installation 6.2L LS9


    Object Number: 2054128  Size: SH

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

  1. Install the throttle body gasket (3) to the supercharger.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the throttle body (2) and bolts (1). Tighten the throttle body bolts to 10 N·m (89 lb in).