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 MANUALSCHEVROLET2004MONTE CARLO V6-3.4L VIN EREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTRELAYS AND MODULES - POWERTRAIN MANAGEMENTRELAYS AND MODULES - IGNITION SYSTEMIGNITION CONTROL MODULESERVICE AND REPAIR
2004 Chevrolet Monte Carlo V6-3.4L VIN E
Ignition Control Module: Service and Repair
2004 Chevrolet Monte Carlo V6-3.4L VIN ESECTION Service and Repair
IGNITION CONTROL MODULE REPLACEMENT
REMOVAL PROCEDURE
1. Disconnect the ignition control module (ICM) electrical connectors.
2. Note position of spark plug wires for installation and disconnect the spark plug wires from the ignition coils.
3. Remove the ignition coil screws (1).
4. Remove the ignition coils (2) from the ICM (3).
5. Remove the ICM from the module mounting bracket.
INSTALLATION PROCEDURE
1. Install the ICM to the module mounting bracket.
2. Install the ignition coils (2) to the ICM (3).
NOTE: Refer to Fastener Notice in Service Precautions.
3. Install the ignition coil screws (1).
Tighten
Tighten the screws to 4.5 N.m (40 lb in).
4. Connect the spark plug wires as noted during the removal.
5. Connect the ICM electrical connectors.
REMOVAL PROCEDURE
1. Disconnect the ignition control module (ICM) electrical connectors.
2. Note position of spark plug wires for installation and disconnect the spark plug wires from the ignition coils.
3. Remove the ignition coil screws (1).
4. Remove the ignition coils (2) from the ICM (3).
5. Remove the ICM from the module mounting bracket.
INSTALLATION PROCEDURE
1. Install the ICM to the module mounting bracket.
2. Install the ignition coils (2) to the ICM (3).
NOTE: Refer to Fastener Notice in Service Precautions.
3. Install the ignition coil screws (1).
Tighten
Tighten the screws to 4.5 N.m (40 lb in).
4. Connect the spark plug wires as noted during the removal.
5. Connect the ICM electrical connectors.
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.