GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 HUMMER 🢒 2008 🢒 H3 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Throttle Body Assembly Replacement

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
  3. Disconnect the throttle body electrical connector (2).

    4. Object Number: 742490 Size: SH
  4. Remove the throttle body bolts (1).
  5. Remove the throttle body (2) and the seal from the intake manifold.
  6. 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.

  3. Install the throttle body bolts (1).

    4. Tighten
    Tighten the bolts to 10 N·m (89 lb in).


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

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