Chevrolet Silverado 2007–2008 — technical service bulletin
Bulletin 070138009 · NHTSA communication 10023212 · issued Oct 1, 2007
Technical service bulletin
communication type
Equipment
component
2007–2008
model years
15
vehicle entries
Official summary
Ei07264 - manual hvac performance, temperature, mode, a/c does not cool, dtc b0228, b0413, b0423, b0433, b3779, b3782 *nj updated 2/15/08. *nj
Vehicles covered
- 2007 Chevrolet Silverado
- 2007 Chevrolet Silverado 1500
- 2008 Chevrolet Silverado 1500
- 2007 Chevrolet Silverado 2500
- 2008 Chevrolet Silverado 2500
- 2007 Chevrolet Silverado 3500
- 2008 Chevrolet Silverado 3500
- 2008 GMC Sierra
- 2007 GMC Sierra 1500
- 2008 GMC Sierra 1500
- 2007 GMC Sierra 2500
- 2008 GMC Sierra 2500
- 2007 GMC Sierra 3500
- 2008 GMC Sierra 3500
- 2007 GMC Sierra Classic
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.