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

Removal Procedure

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


    Object Number: 1820579 Size: SH
  1. Disconnect the negative battery cable.
  2. Remove the engine cover. Refer to Engine Cover Replacement .
  3. Remove the charge air cooler outlet hose. Refer to Charge Air Cooler Inlet Pipe and Outlet Pipe Replacement .
  4. Disconnect the removed electric throttle control (ETC) connector.
  5. Remove the throttle body.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1820579 Size: SH
  1. Install the throttle body.

    2. Tighten
    Tighten the throttle body retaining bolts and nuts to 9 N·m (79.7  lb in).

  2. Connect the ETC connector.
  3. Install the charge air cooler outlet hose.
  4. Install the engine cover. Refer to Engine Cover Replacement .
  5. Connect the negative battery cable.