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.

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

  2. Object Number: 1339289  Size: SH
  3. Disconnect the evaporative emission (EVAP) purge line.
  4. Disconnect the throttle body control harness connector.
  5. Remove the throttle body attaching bolts .
  6. Remove the throttle body and gasket from the supercharger.

Installation Procedure


    Object Number: 1339289  Size: SH
  1. Inspect the throttle body gasket and replace if necessary.
  2. Install the throttle body to the supercharger.
  3. Notice: Refer to Fastener Notice in the Preface section.

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

  6. Connect the throttle body control harness connector .
  7. Connect the EVAP purge line.
  8. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Resonator Replacement .