GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


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

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

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

Installation Procedure


    Object Number: 742490  Size: SH
  1. Insert a new seal into the intake manifold groove.
  2. Position the throttle body (2) to the intake manifold.
  3. Notice: Refer to Fastener Notice in the Preface section.

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


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

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