GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1838990  Size: SH
  1. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
  2. Disconnect the engine wiring harness electrical connector (2) from the electronic throttle control (ETC).

  3. Object Number: 1839345  Size: SH
  4. Remove the throttle body bolts.
  5. Remove the throttle body and gasket. Discard the gasket.

Installation Procedure


    Object Number: 1839345  Size: SH
  1. Position a NEW throttle body gasket to the upper intake manifold.
  2. Position the throttle body to the upper intake manifold.
  3. Notice: Refer to Fastener Notice in the Preface section.

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


    Object Number: 1838990  Size: SH
  6. Connect the engine wiring harness electrical connector (2) to the ETC.
  7. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
  8. Perform the Throttle Learn Procedure. Refer to Throttle Learn .