Chevrolet Silverado 2003–2007 — technical service bulletin
Bulletin 4179 · NHTSA communication 10021016 · issued Feb 22, 2007
Technical service bulletin
communication type
Air Bags
component
2003–2007
model years
14
vehicle entries
Official summary
Dual stage passenger air bag used in single stage application. *kb
Vehicles covered
- 2003 Chevrolet Silverado
- 2004 Chevrolet Silverado
- 2005 Chevrolet Silverado
- 2006 Chevrolet Silverado
- 2007 Chevrolet Silverado 1500
- 2007 Chevrolet Silverado 2500
- 2007 Chevrolet Silverado 3500
- 2003 GMC Sierra
- 2004 GMC Sierra
- 2005 GMC Sierra
- 2006 GMC Sierra
- 2007 GMC Sierra 1500
- 2007 GMC Sierra 2500
- 2007 GMC Sierra 3500
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.