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 MANUALSISUZU2004ASCENDER 2WD L6-4.2LREPAIR AND DIAGNOSISSTARTING AND CHARGINGSTARTING SYSTEMIGNITION LOCKSERVICE AND REPAIRIGNITION LOCK CYLINDER
2004 Isuzu Ascender 2WD L6-4.2L
Ignition Lock Cylinder
2004 Isuzu Ascender 2WD L6-4.2LSECTION Ignition Lock Cylinder
Ignition Lock Cylinder Replacement
Removal Procedure
Caution: Refer to Battery Disconnect Caution in Service Precautions.
1. Disconnect the battery negative cable.
Caution: Refer to SIR Caution in Service Precautions.
2. Disable the SIR system.
3. Remove the steering column trim covers.
4. Turn the ignition lock cylinder to the start position.
5. Insert the tip of an awl into the access hole (1) of the ignition lock cylinder.
6. Push down and hold the retaining pin of the ignition lock cylinder.
7. Release the ignition lock cylinder to the run position.
8. Remove the ignition lock cylinder by pulling the cylinder away from the steering column.
Installation Procedure
1. Install the ignition lock cylinder by performing the following procedure:
1.1. Align the positioning locking tab slot on the lock module to the positioning tab on the ignition lock cylinder.
1.2. Push the lock cylinder in until the tab locks in the lock module.
2. Install the steering column trim covers.
3. Enable the SIR system.
4. Connect the battery negative cable.
5. Perform the Pass Lock learn procedure. Refer to Programming Theft Deterrent System Components.
Removal Procedure
Caution: Refer to Battery Disconnect Caution in Service Precautions.
1. Disconnect the battery negative cable.
Caution: Refer to SIR Caution in Service Precautions.
2. Disable the SIR system.
3. Remove the steering column trim covers.
4. Turn the ignition lock cylinder to the start position.
5. Insert the tip of an awl into the access hole (1) of the ignition lock cylinder.
6. Push down and hold the retaining pin of the ignition lock cylinder.
7. Release the ignition lock cylinder to the run position.
8. Remove the ignition lock cylinder by pulling the cylinder away from the steering column.
Installation Procedure
1. Install the ignition lock cylinder by performing the following procedure:
1.1. Align the positioning locking tab slot on the lock module to the positioning tab on the ignition lock cylinder.
1.2. Push the lock cylinder in until the tab locks in the lock module.
2. Install the steering column trim covers.
3. Enable the SIR system.
4. Connect the battery negative cable.
5. Perform the Pass Lock learn procedure. Refer to Programming Theft Deterrent System Components.
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.