Chevrolet Silverado 2500 2006–2009 — technical service bulletin
Bulletin SB-080730049B · NHTSA communication 10038984 · issued Apr 1, 2011
Technical service bulletin
communication type
Power Train
component
2006–2009
model years
16
vehicle entries
Official summary
Gm: some vehicles may have transmission fluid leaking from the coolant lines in cold temperatures. *rm
Vehicles covered
- 2006 Chevrolet Silverado 2500
- 2007 Chevrolet Silverado 2500
- 2008 Chevrolet Silverado 2500
- 2009 Chevrolet Silverado 2500
- 2006 Chevrolet Silverado 3500
- 2007 Chevrolet Silverado 3500
- 2008 Chevrolet Silverado 3500
- 2009 Chevrolet Silverado 3500
- 2006 GMC Sierra 2500
- 2007 GMC Sierra 2500
- 2008 GMC Sierra 2500
- 2009 GMC Sierra 2500
- 2006 GMC Sierra 3500
- 2007 GMC Sierra 3500
- 2008 GMC Sierra 3500
- 2009 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.