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

Removal Procedure

    Warning: Refer to Battery Disconnect Warning in the Preface section.


    Object Number: 1289411 Size: SH
  1. Disconnect the negative battery cable.
  2. Remove the intake air tube.
  3. Disconnect the breather hose.

    4. Object Number: 1289412 Size: SH
  4. Disconnect the coolant hose from the throttle body.
  5. Disconnect the throttle cables by opening the release slot.
  6. Disconnect the main throttle idle actuator (MTIA) electrical connector.
  7. Remove the throttle body bolt and the nuts.
  8. Remove the throttle body.

Installation Procedure

    Object Number: 1289412 Size: SH
  1. Install the throttle body assembly to the intake manifold.

    2. Caution: Refer to Fastener Caution in the Preface section.

  2. Install the throttle body retaining nuts and the bolt and tighten to 15 N·m (11 lb ft).
  3. Connect the throttle cable.
  4. Connect the coolant hoses.

    5. Object Number: 1289411 Size: SH
  5. Connect the breather hose.
  6. Install the intake air tube.
  7. Connect the negative battery cable.