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 MANUALSCHEVROLET2002EXPRESS 1 TON VAN V8-8.1L VIN GREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTIGNITION SYSTEMTECHNICAL SERVICE BULLETINSIGNITION LOCK CYLINDER - REVISED REPLACEMENT PROCEDURE
2002 Chevrolet Express 1 Ton Van V8-8.1L VIN G
Ignition Lock Cylinder - Revised Replacement Procedure
2002 Chevrolet Express 1 Ton Van V8-8.1L VIN GSECTION Ignition Lock Cylinder - Revised Replacement Procedure
File In Section: 02 - Steering
Bulletin No.: 02-02-35-001
Date: January, 2002
SERVICE MANUAL UPDATE
Subject:
Revised Ignition Lock Cylinder Replacement
Models:
1998-2002 Chevrolet and GMC C/K, S/T, M/L and G Model Vehicles
1999-2000 Cadillac Escalade
2002 Cadillac Escalade
1998-2002 Oldsmobile Bravada
This bulletin is being issued to revise the Ignition Lock Cylinder Replacement procedure in the Steering Wheel and Column - Standard or Steering Wheel and Column - Tilt sub-sections of the Service Manual. Please replace the current information in the Service Manual with the following information.
The following information has been updated within SI2000. If you are using a paper version of this Service Manual, please make a reference to this bulletin on the affected page.
The above mentioned Service Manuals omitted information regarding performing the Passlock Relearn or Autolearn procedure after an ignition lock cylinder has been replaced. If you have replaced the ignition lock cylinder, refer to the following procedures:
For 1998-2000 model year vehicles, refer to Passlock Reprogramming in the Theft Deterrent subsection.
For 2001-2002 model year vehicles, refer to Programming Theft Deterrent System Components in the Theft Deterrent subsection.

DISCLAIMER
Bulletin No.: 02-02-35-001
Date: January, 2002
SERVICE MANUAL UPDATE
Subject:
Revised Ignition Lock Cylinder Replacement
Models:
1998-2002 Chevrolet and GMC C/K, S/T, M/L and G Model Vehicles
1999-2000 Cadillac Escalade
2002 Cadillac Escalade
1998-2002 Oldsmobile Bravada
This bulletin is being issued to revise the Ignition Lock Cylinder Replacement procedure in the Steering Wheel and Column - Standard or Steering Wheel and Column - Tilt sub-sections of the Service Manual. Please replace the current information in the Service Manual with the following information.
The following information has been updated within SI2000. If you are using a paper version of this Service Manual, please make a reference to this bulletin on the affected page.
The above mentioned Service Manuals omitted information regarding performing the Passlock Relearn or Autolearn procedure after an ignition lock cylinder has been replaced. If you have replaced the ignition lock cylinder, refer to the following procedures:
For 1998-2000 model year vehicles, refer to Passlock Reprogramming in the Theft Deterrent subsection.
For 2001-2002 model year vehicles, refer to Programming Theft Deterrent System Components in the Theft Deterrent subsection.
DISCLAIMER
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.