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

Removal Procedure

    Object Number: 1934568 Size: SH
  1. Remove the air cleaner outlet resonator. Refer to Air Cleaner Outlet Resonator Replacement.
  2. Disconnect the engine wiring harness electrical connector (3) from the throttle actuator (2).

    3. Object Number: 1937515 Size: SH
  3. Remove the throttle body bolts (1).
  4. Remove the throttle body (2) and gasket (3). Discard the gasket.

Installation Procedure

    Object Number: 1937515 Size: SH
  1. Install a NEW throttle body gasket (3) into the upper intake manifold.
  2. Place the throttle body (2) onto the upper 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: 1934568 Size: SH
  4. Connect the engine wiring harness electrical connector (3) to the throttle actuator (2).
  5. Install the air cleaner outlet resonator. Refer to Air Cleaner Outlet Resonator Replacement.