GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the air cleaner resonator and outlet duct. Refer to Air Cleaner Resonator and Outlet Duct Replacement .

  2. Object Number: 1352026  Size: SH
  3. Disconnect the evaporative emission (EVAP) canister purge pipe (1) from the throttle control module (2). Refer to Plastic Collar Quick Connect Fitting Service .

  4. Object Number: 1350717  Size: SH
  5. Disconnect the throttle body electrical connector (2).

  6. Object Number: 742490  Size: SH
  7. Remove the throttle body bolts (1).
  8. Remove the throttle body (2) and the seal from the intake manifold.
  9. Clean the gasket surface.

Installation Procedure

  1. Insert a new seal into the intake manifold groove.

  2. Object Number: 742490  Size: SH
  3. Position the throttle body (2) to the intake manifold.
  4. Notice: Refer to Fastener Notice in the Preface section.

  5. Install the throttle body bolts (1).
  6. Tighten
    Tighten the bolts to 10 N·m (89 lb in).


    Object Number: 1350717  Size: SH
  7. Connect the throttle body electrical connector (2).

  8. Object Number: 1352026  Size: SH
  9. Connect the EVAP canister purge pipe (1) to the throttle control module (2). Refer to Plastic Collar Quick Connect Fitting Service .
  10. Install the air cleaner resonator and outlet duct. Refer to Air Cleaner Resonator and Outlet Duct Replacement .