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 MANUALSCHEVROLET2005OPTRA (CANADA) L4-2.0LREPAIR AND DIAGNOSISSTARTING AND CHARGINGSTARTING SYSTEMIGNITION SWITCHIGNITION SWITCH LOCK CYLINDERSERVICE AND REPAIR
2005 Chevrolet Optra (CANADA) L4-2.0L
Ignition Switch Lock Cylinder: Service and Repair
2005 Chevrolet Optra (CANADA) L4-2.0LSECTION Service and Repair
Ignition Lock Cylinder Replacement
Removal Procedure
Caution:
Refer to Battery Disconnect Caution Battery Disconnect Caution in Cautions and Notices.
1. Disconnect the negative battery cable.
2. Remove the upper and the lower steering column cover and panel by removing the screws.
3. Disconnect the electrical connector for the immobilizer detection coil.
4. With the key in the ignition turned to the position designated ACC, remove the lock cylinder by pressing down the detent spring and pulling the lock cylinder out of the switch cylinder housing.
5. Remove the ignition switch retaining screw.
6. Disconnect the wiring and remove the ignition switch.
Installation Procedure
Notice:
Refer to Fastener Notice Fastener Notice in Cautions and Notices.
1. Install the ignition switch with the ignition switch retaining screw.
Tighten the ignition switch retaining screw to 2.5 Nm (22 lb in).
2. Connect the wiring to the ignition switch.
3. Install the lock cylinder.
4. Connect the electrical connector for the immobilizer detection unit.
5. Install the upper and the lower steering column cover panel with the screws.
Tighten the upper and the lower steering column cover panel screws to 2.5 Nm (22 lb in).
6. 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.