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

Removal Procedure

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


    Object Number: 1256172 Size: SH
  1. Disconnect the negative battery cable.
  2. Disconnect the electronic ignition (EI) system ignition coil connector.
  3. Note the ignition wire location and remove the ignition wires.
  4. Remove the EI system ignition coil retaining bolts.
  5. Remove the EI system ignition coil.

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1256172 Size: SH
  1. Install the EI system ignition coil into the mounting location and install the retaining bolts.

    2. Tighten
    Tighten the EI system ignition coil retaining bolts to 10 N·m (89 lb in).

  2. Connect the EI system ignition coil connector.
  3. Install the ignition wires.
  4. Connect the negative battery cable.