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 MANUALSCHEVROLET2006TAHOE 4WD V8-5.3L VIN TREPAIR AND DIAGNOSISSTARTING AND CHARGINGSTARTING SYSTEMIGNITION LOCKSERVICE AND REPAIRIGNITION LOCK CYLINDER REPLACEMENT
2006 Chevrolet Tahoe 4WD V8-5.3L VIN T
Ignition Lock Cylinder Replacement
2006 Chevrolet Tahoe 4WD V8-5.3L VIN TSECTION Ignition Lock Cylinder Replacement
Ignition Lock Cylinder Replacement
Removal Procedure
1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure.
2. Caution: Refer to SIR Caution in Service Precautions.
Disable the SIR system. Refer to SIR Disabling and Enabling Zone 3 in SIR.
3. Lower the hush and knee bolster.
4. Remove the steering column trim covers.
5. With the key installed, turn the key to the RUN position.
6. Install an allen wrench into the hole on top of the lock cylinder housing. Push down on the allen wrench to release the tab on the lock cylinder inside the lock cylinder housing.
7. Slide the lock cylinder out of the lock cylinder housing.
Installation Procedure
1. Install the key into the lock cylinder.
2. Important: The gears between the ignition switch and the lock cylinder housing must be in the correct position. Failure to do so will cause a misalignment of the gears in the ignition switch and the lock cylinder housing, which may result in a NO START or BATTERY DRAIN.
Use a screwdriver to rotate the lock cylinder housing gear clockwise to the start position - allowing it to spring return into the RUN position.
3. Align the lock cylinder and install into the lock cylinder housing.
4. Install the steering column trim covers.
5. Install the hush and knee bolster.
6. Enable the SIR system.
7. Connect 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.