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 MANUALSCADILLAC2002ELDORADO V8-4.6L VIN YREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTRELAYS AND MODULES - POWERTRAIN MANAGEMENTRELAYS AND MODULES - IGNITION SYSTEMIGNITION CONTROL MODULESERVICE AND REPAIRIGNITION CONTROL MODULE REPLACEMENT - BANK 1
2002 Cadillac Eldorado V8-4.6L VIN Y
Ignition Control Module Replacement - Bank 1
2002 Cadillac Eldorado V8-4.6L VIN YSECTION Ignition Control Module Replacement - Bank 1
REMOVAL PROCEDURE

1. Remove the fuel injector sight shield.
2. Disconnect the ignition control module (ICM) electrical connector.
3. Remove the ignition coil cassette.
4. Remove the ignition control module retaining screws.
5. Remove the ignition control module.
INSTALLATION PROCEDURE
NOTE: Refer to Fastener Notice in Service Precautions.

1. Install the ignition control module.
Tighten
Tighten the ignition control module retaining screws to 0.8 N.m (7 lb in).
IMPORTANT: Be sure the ignition cassette grounding spring and insulator are in place when installing the ignition cassette.
2. Connect the spark plug boots to the spark plugs.
3. Carefully, install the ignition cassette.
4. Reconnect the ignition cassette electrical connector.
5. Install the fuel injector sight shield.
1. Remove the fuel injector sight shield.
2. Disconnect the ignition control module (ICM) electrical connector.
3. Remove the ignition coil cassette.
4. Remove the ignition control module retaining screws.
5. Remove the ignition control module.
INSTALLATION PROCEDURE
NOTE: Refer to Fastener Notice in Service Precautions.
1. Install the ignition control module.
Tighten
Tighten the ignition control module retaining screws to 0.8 N.m (7 lb in).
IMPORTANT: Be sure the ignition cassette grounding spring and insulator are in place when installing the ignition cassette.
2. Connect the spark plug boots to the spark plugs.
3. Carefully, install the ignition cassette.
4. Reconnect the ignition cassette electrical connector.
5. Install the fuel injector sight shield.
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.