Installation Procedure

2008 Pontiac Grand Prix BaseSECTION Installation Procedure
WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Spark Plug Wires At Ignition Coils
    GM194220Courtesy of GENERAL MOTORS CORP.
  1. Position the spark plug wires to the engine.
  2. Install the spark plug wire retaining clips from the rear, front and top of the engine.
  3. Install the spark plug wires to the ignition coil in the proper position.
  4. Fig 2: Locating Spark Plug Wires & Identifying Cylinders 1/3/5
    GM194231Courtesy of GENERAL MOTORS CORP.
  5. Install the spark plug wires (1, 3, 5) to the spark plugs in the proper position at the front of the engine.
  6. Fig 3: Locating Spark Plug Wires & Identifying Cylinders 2/4/6
    GM194244Courtesy of GENERAL MOTORS CORP.
  7. Install the spark plug wires (2, 4, 6) to the spark plugs in the proper position at the rear of the engine.
  8. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .
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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.