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 MANUALSBUICK2006LUCERNE V6-3.8L VIN 2REPAIR AND DIAGNOSISSTARTING AND CHARGINGSTARTING SYSTEMIGNITION SWITCHSERVICE AND REPAIR
2006 Buick Lucerne V6-3.8L VIN 2
Ignition Switch: Service and Repair
2006 Buick Lucerne V6-3.8L VIN 2SECTION Service and Repair
Ignition Switch Replacement
Removal Procedure
1. Caution: Refer to SIR Caution in Service Precautions.
Disable the SIR system SIR Disabling and Enabling Zone.
2. Remove the upper and lower trim covers.
4. Disconnect the theft deterrent control module connector.
5. Disconnect the fused jumper assembly connector.
6. Slide the theft deterrent control module (2) from the ignition lock cylinder case (1).
7. Remove the key alarm connector (1) from the ignition lock cylinder case (4).
8. Remove the 2 tapping screws (3) from the ignition switch assembly (2).
Installation Procedure
1. Notice: Install the ignition switch assembly (2) and secure by using 2 tapping screws (3).
^ Tighten the screws to 1.5 Nm (13 inch lbs.).
2. Install the ignition switch assembly connector (1) onto the ignition lock cylinder case (4).
3. Connect the theft deterrent control module connector.
4. Connect the fused jumper assembly connector.
5. Install the theft deterrent control module (2) onto the ignition lock cylinder case (1).
6. Install the ignition lock cylinder.
7. Install the upper and lower trim covers.
8. Enable the SIR system. Refer to SIR Disabling and Enabling Zone 3.
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.