GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2007 🢒 Corvette 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Ignition Coil Replacement

Removal Procedure
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .

    2. Object Number: 1672573 Size: SH
  2. Remove the engine sight shield, left side shown. Refer to Upper Intake Manifold Sight Shield Replacement .

    3. Object Number: 309721 Size: SH
  3. Disconnect the ignition coil harness connector.
  4. Disconnect the spark plug wire at the ignition coil.
  5. Remove the ignition coil mounting bolts.
  6. Remove the ignition coil.

Installation Procedure

    Object Number: 309721 Size: SH
  1. Install the ignition coil.

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

  2. Install the ignition coil mounting bolts.

    3. Tighten
    Tighten the ignition coil mounting bolts to 12 N·m (106 lb in).

  3. Connect the spark plug wire at the ignition coil.
  4. Connect the ignition coil harness connector.

    5. Tighten
    Tighten the harness bolt to 12 N·m (106 lb in).


    Object Number: 1672573 Size: SH
  5. Install the engine sight shield, left side shown. Refer to Upper Intake Manifold Sight Shield Replacement .
  6. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  7. Program the transmitters. Refer to Transmitter Programming .