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

Removal Procedure

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

  1. Disconnect the battery ground cable from the battery. Refer to Battery Negative Cable Disconnection and Connection .
  2. Remove the engine cover. Refer to Engine Cover Replacement .

    3. Object Number: 1950809 Size: SH
  3. Disconnect the spark plug wires (1) from the ignition coils.

    4. Object Number: 1950813 Size: SH
  4. Disconnect the main ignition coil harness connector (1) from the ignition coil assembly.
  5. Remove the ignition coil assembly to rocker cover retaining bolts (2).

    6. Object Number: 1950818 Size: SH
  6. Remove the ignition coil assembly from the engine
  7. Disconnect the ignition coil to ignition coil wiring harness connectors (1)

    8. Object Number: 1950822 Size: SH
  8. Remove the ignition coil to ignition coil assembly retaining bolts (1)
  9. Remove the ignition coils from the ignition coil assembly.

Installation Procedure

    Object Number: 1950822 Size: SH
  1. Install the ignition coil assembly.

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

  2. Install the ignition coil to ignition coil assembly retaining bolts (1).

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


    Object Number: 1950818 Size: SH
  3. Connect the ignition coil to ignition coil wiring harness connectors (1).
  4. Install the ignition coil assembly to the engine.

    5. Object Number: 1950813 Size: SH
  5. Install the ignition coil assembly to rocker cover retaining bolts (2)

    6. Tighten
    Tighten the bolts to 12 N·m (106 lb in).

  6. Connect the main ignition coil harness connector (1) to the ignition coil assembly.

    7. Object Number: 1950809 Size: SH
  7. Connect the spark plug wires (1) to the ignition coils.
  8. Install the engine cover. Refer to Engine Cover Replacement .
  9. Connect the battery ground cable to the battery. Refer to Battery Negative Cable Disconnection and Connection .