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 MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 792 (STEERING WHEEL AND STEERING COLUMN)REPAIR INSTRUCTIONSIGNITION LOCK CYLINDER REPLACEMENTREMOVAL PROCEDURE

1999 GMC Forward Control 5.7 R, Automatic

Removal Procedure

1999 GMC Forward Control 5.7 R, AutomaticSECTION Removal Procedure

WARNING: This page is about a different car, the 2003 Buick Regal and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: Refer to Battery Disconnect Caution in Cautions and Notices

Disconnect the battery negative cable. Refer to BATTERY NEGATIVE CABLE DISCONNECT/CONNECT PROCEDURE in Battery.
CAUTION: Refer to SIR CAUTION in Cautions and Notices
Disable the SIR system. Refer to DISABLING & ACTIVATING AIR BAG SYSTEM in Air Bag Restraint Systems.
Remove the steering column trim covers. Refer to STEERING COLUMN TRIM COVERS REPLACEMENT .
Turn the ignition lock cylinder to the start position.
Insert the tip of an awl into the access hole (1) of the ignition lock cylinder.

Fig 1: Locating Access Hole Of Ignition Lock Cylinder
Courtesy of GENERAL MOTORS CORP.
Push down and hold the retaining pin of the ignition lock cylinder.
Release the ignition lock cylinder to the run position.
Remove the ignition lock cylinder by pulling the cylinder away from the steering column.

Fig 2: Removing Ignition Lock Cylinder
Courtesy of GENERAL MOTORS CORP.

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.