Chevrolet Trailblazer 2002–2008 — technical service bulletin
Bulletin 3061 · NHTSA communication 10023773 · issued Dec 1, 2007
Technical service bulletin
communication type
Power Train
component
2002–2008
model years
33
vehicle entries
Official summary
Dtc c0327 with or without additional dtc's setting. With four wheel drive (4wd) only. *nj
Vehicles covered
- 2002 Chevrolet Trailblazer
- 2003 Chevrolet Trailblazer
- 2004 Chevrolet Trailblazer
- 2005 Chevrolet Trailblazer
- 2006 Chevrolet Trailblazer
- 2008 Chevrolet Trailblazer
- 2007 Chevrolet Trailblazer 360
- 2002 GMC Envoy
- 2003 GMC Envoy
- 2004 GMC Envoy
- 2005 GMC Envoy
- 2006 GMC Envoy
- 2008 GMC Envoy
- 2007 GMC Envoy 360
- 2003 GMC Sierra
- 2004 GMC Sierra
- 2005 GMC Sierra
- 2006 GMC Sierra
- 2003 GMC Yukon XL
- 2004 GMC Yukon XL
- 2005 GMC Yukon XL
- 2006 GMC Yukon XL
- 2003 GMC Yukon XL 1500
- 2004 GMC Yukon XL 1500
- 2005 GMC Yukon XL 1500
- 2006 GMC Yukon XL 1500
- 2003 GMC Yukon XL 2500
- 2004 GMC Yukon XL 2500
- 2005 GMC Yukon XL 2500
- 2006 GMC Yukon XL 2500
- 2002 Oldsmobile Bravada
- 2003 Oldsmobile Bravada
- 2004 Oldsmobile Bravada
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.