GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1876492  Size: SH
  1. Remove the air cleaner outlet resonator. Refer to Air Cleaner Outlet Resonator Replacement.
  2. Disconnect the engine wiring harness electrical connector (2) from the throttle body.

  3. Object Number: 1876494  Size: SH
  4. Remove the throttle body bolts.
  5. Remove the throttle body and gasket. Discard the gasket.

Installation Procedure


    Object Number: 1876494  Size: SH
  1. Install a NEW throttle body gasket into the upper intake manifold.
  2. Place the throttle body onto the upper intake manifold.
  3. Caution: Refer to Fastener Caution in the Preface section.

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


    Object Number: 1876492  Size: SH
  6. Connect the engine wiring harness electrical connector (2) to the throttle body.
  7. Install the air cleaner outlet resonator. Refer to Air Cleaner Outlet Resonator Replacement.