GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Notice: Do not use solvent of any type when cleaning the gasket surfaces on the intake manifold and the throttle body assembly, as damage to the gasket surfaces and throttle body assembly may result.

Use care in cleaning the gasket surfaces on the intake manifold and the throttle body assembly, as sharp tools may damage the gasket surfaces.

Notice: Do not use any solvent that contains Methyl Ethyl Ketone (MEK). This solvent may damage fuel system components.

Important: DO NOT prop open the throttle blade with the ignition key in the ON position as it may set a diagnostic trouble code (DTC).

  1. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
  2. Disconnect the engine wiring harness electrical connector from the throttle body assembly.

  3. Object Number: 1810824  Size: SH
  4. Remove the throttle body assembly bolts.
  5. Remove the throttle body assembly.
  6. Inspect the throttle body assembly gasket, and replace it if necessary.

Installation Procedure


    Object Number: 1810824  Size: SH
  1. Install the throttle body assembly to the vehicle.
  2. Notice: Refer to Fastener Notice in the Preface section.

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

  5. Connect the engine wiring harness electrical connector to the throttle body assembly.
  6. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .

Removal Procedure

Caution: Do not use solvent of any type when cleaning the gasket surfaces on the intake manifold and the throttle body assembly, as damage to the gasket surfaces and throttle body assembly may result.

Use care in cleaning the gasket surfaces on the intake manifold and the throttle body assembly, as sharp tools may damage the gasket surfaces.

Caution: Do not use any solvent that contains Methyl Ethyl Ketone (MEK). This solvent may damage fuel system components.

Note: DO NOT prop open the throttle blade with the ignition key in the ON position as it may set a diagnostic trouble code (DTC).

  1. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement.
  2. Disconnect the engine wiring harness electrical connector from the throttle body assembly.

  3. Object Number: 1810824  Size: SH
  4. Remove the throttle body assembly bolts.
  5. Remove the throttle body assembly.
  6. Inspect the throttle body assembly gasket, and replace it if necessary.

Installation Procedure


    Object Number: 1810824  Size: SH
  1. Install the throttle body assembly to the vehicle.
  2. Caution: Refer to Fastener Caution in the Preface section.

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

  5. Connect the engine wiring harness electrical connector to the throttle body assembly.
  6. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement.