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 MANUALSCHEVROLET1999LUMINA V6-3.8L VIN KREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTIGNITION SYSTEMIGNITION CONTROL MODULESERVICE AND REPAIR
1999 Chevrolet Lumina V6-3.8L VIN K
Ignition Control Module: Service and Repair
1999 Chevrolet Lumina V6-3.8L VIN KSECTION Service and Repair
REMOVAL PROCEDURE
CAUTION: Refer to Battery Disconnect Caution in Service Precautions.
1. Disconnect the negative battery cable.
2. Disconnect the 14-way connector from the ignition control module.
3. Disconnect the spark plug wires from the coil assemblies (note the position that the wires were removed.
4. Remove 6 screws (1) securing the coil assemblies to the ignition control module.
5. Remove the coils (2) from the ignition control module (3).
6. Remove the 2 nuts and washers under the module bracket.
7. Remove the ignition control module.
INSTALLATION PROCEDURE
1. Attach the coils to the ignition control module and position the module on the module bracket. Refer to Ignition Coil(s) Replacement.
NOTE: Refer to Fastener Notice in Service Precautions.
2. Install 6 ignition coil attaching screws.
Tighten
Tighten the screws to 4 - 5 N.m (40 lb in).
3. Install the nuts and washers securing the ignition control module assembly to the mounting bracket.
Tighten
Tighten the nuts to 8 N.m (70 lb in).
4. Connect the spark plug wires.
5. Connect the 14-way connector to module.
CAUTION: Refer to Battery Disconnect Caution in Service Precautions.
6. Reconnect the negative battery cable.
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.