Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSPONTIAC2008GRAND PRIX BASEREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS AND FUEL - 3.8L - INTRODUCTION (2 OF 2)REPAIR INSTRUCTIONSIGNITION CONTROL MODULE REPLACEMENTINSTALLATION PROCEDURE

2008 Pontiac Grand Prix Base

Installation Procedure

2008 Pontiac Grand Prix BaseSECTION Installation Procedure

Fig 1: View Of Ignition Coil Module And Module Mounting Bracket

Courtesy of GENERAL MOTORS CORP.

Install the ignition coils (2) to the ICM (3).

NOTE: Refer to FASTENER NOTICE .

Install the ignition coil screws (1).
Tighten: Tighten the screws to 4.5 N.m (40 lb in).

Fig 2: View Of ICM & Bracket

Courtesy of GENERAL MOTORS CORP.

Install the ICM (1) to the bracket.
Install the ICM nuts (2).
Tighten: Tighten the nuts to 10 N.m (89 lb in).
Connect the spark plug wires to the ignition coils.
Install the 14-way electrical connector to the ICM.
Tighten: Tighten the screw to 2.1 N.m (19 lb in).

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.