Removal Procedure

2008 Pontiac Grand Prix BaseSECTION Removal Procedure
WARNING: This page is about a different car, the 2007 Buick LaCrosse and 2007 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (L26) in Engine Electrical.
  2. Fig 1: View Of ICM & Bracket
    GM911107Courtesy of GENERAL MOTORS CORP.
  3. Remove the 14-way electrical connector from the ignition control module (ICM).
  4. Disconnect the spark plug wires from the coil assemblies. Before removing the wires, note the position of the wires.
  5. Remove the ICM nuts (2).
  6. Remove the ICM (1) from the bracket.
  7. Fig 2: View Of Ignition Coil Module And Module Mounting Bracket
    GM12299Courtesy of GENERAL MOTORS CORP.
  8. Remove the ignition coil screws (1).
  9. Remove the ignition coils (2) from the ICM (3).
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.