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 MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1321 (GENERAL INFORMATION)INTRODUCTIONKEY AND LOCK CYLINDER CODINGFRONT SIDE DOOR LOCK CYLINDER

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2

Front Side Door Lock Cylinder

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Front Side Door Lock Cylinder

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

The front side door lock cylinder uses 7 of the 10 key cut positions, 4-10 when counting from the key head. The tumbler orientations alternate in adjacent locations from side to side with 4 on each side.

Fig 1: View Of Front Side Door Lock Cylinder Components

Courtesy of GENERAL MOTORS CORP.

RENDER: 1.0x

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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.