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 MANUALSCHEVROLET2011SILVERADO 1500 4WD V8-6.2LREPAIR AND DIAGNOSISTECHNICAL SERVICE BULLETINSALL TECHNICAL SERVICE BULLETINSVEHICLE - 2011 MODEL YEAR VIN CODE CHANGES
2011 Chevrolet Silverado 1500 4WD V8-6.2L
Vehicle - 2011 Model Year VIN Code changes
2011 Chevrolet Silverado 1500 4WD V8-6.2LSECTION Vehicle - 2011 Model Year VIN Code changes
INFORMATION
Bulletin No.: 10-00-89-001
Date: February 09, 2010
Subject: 2011 Model Year Light Duty Truck - Vehicle Identification Number (VIN) Structure Changes
Models:
2011 GM Light Duty Trucks
2011 HUMMER H2, H3
To comply with Federal Regulatory changes beginning with the 2011 model year, General Motors is making changes to the VIN system. Each vehicle shall be uniquely identified in VIN positions 4-8. Prior to 2010, each vehicle was uniquely identified using the World Make/Manufacturer Identifier (WMI) in VIN positions 1-3. As a result of this change, General Motors LLC has made the following changes to comply with FMVSR 565 for the 2011 model year.
2011 VIN Changes
Light Duty Truck, Multipurpose Passenger Vehicle (MPV) and Incomplete Vehicle
VIN Cards
VIN Cards are available online at GlobalConnect and www.acdelcotechconnect.com
Disclaimer
Bulletin No.: 10-00-89-001
Date: February 09, 2010
Subject: 2011 Model Year Light Duty Truck - Vehicle Identification Number (VIN) Structure Changes
Models:
2011 GM Light Duty Trucks
2011 HUMMER H2, H3
To comply with Federal Regulatory changes beginning with the 2011 model year, General Motors is making changes to the VIN system. Each vehicle shall be uniquely identified in VIN positions 4-8. Prior to 2010, each vehicle was uniquely identified using the World Make/Manufacturer Identifier (WMI) in VIN positions 1-3. As a result of this change, General Motors LLC has made the following changes to comply with FMVSR 565 for the 2011 model year.
2011 VIN Changes
Light Duty Truck, Multipurpose Passenger Vehicle (MPV) and Incomplete Vehicle
VIN Cards
VIN Cards are available online at GlobalConnect and www.acdelcotechconnect.com
Disclaimer
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.