GM Service Manual Online
For 1990-2009 cars only

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.


    Object Number: 1825527  Size: SH
  1. Remove the charge air cooler outlet pipe. Refer to Charge Air Cooler Outlet Pipe Replacement.
  2. Disconnect the engine wiring harness electrical connector (1) from the electronic throttle control (ETC).

  3. Object Number: 1769706  Size: SH
  4. Remove the throttle body bolts.
  5. Remove the throttle body and seal from the intake manifold.

Installation Procedure


    Object Number: 1769706  Size: SH
  1. Inspect the throttle body seal, and replace if necessary.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Position the throttle body to the intake manifold.
  4. Install the throttle body bolts and tighten to 10 N·m (89 lb in).

  5. Object Number: 1825527  Size: SH
  6. Connect the engine wiring harness electrical connector (1) to the ETC.
  7. Install the charge air cooler outlet pipe. Refer to Charge Air Cooler Outlet Pipe Replacement.