Chevrolet Avalanche 1999–2012 — technical service bulletin
Bulletin PIP-3366-B · NHTSA communication 10043185 · issued Nov 1, 2011
Technical service bulletin
communication type
Power Train
component
1999–2012
model years
60
vehicle entries
Official summary
Cadillac/chevrolet/gmc/hummer: some suvs and trucks are exhibiting a condition where by grinding/ratcheting type noise coming from automatic transmission when shifting into park while in 4wd low (4lo) range. *pe
Vehicles covered
- 2004 Chevrolet Avalanche
- 2005 Chevrolet Avalanche
- 2006 Chevrolet Avalanche
- 2007 Chevrolet Avalanche
- 2008 Chevrolet Avalanche
- 2009 Chevrolet Avalanche
- 2010 Chevrolet Avalanche
- 2004 Chevrolet Blazer
- 2005 Chevrolet Blazer
- 2004 Chevrolet Colorado
- 2005 Chevrolet Colorado
- 2006 Chevrolet Colorado
- 2007 Chevrolet Colorado
- 2008 Chevrolet Colorado
- 2009 Chevrolet Colorado
- 2010 Chevrolet Colorado
- 2011 Chevrolet Colorado
- 2012 Chevrolet Colorado
- 2004 Chevrolet S10
- 2005 Chevrolet S10
- 2006 Chevrolet S10
- 2007 Chevrolet S10
- 2004 Chevrolet Silverado
- 2005 Chevrolet Silverado
- 2006 Chevrolet Silverado
- 2007 Chevrolet Silverado
- 2008 Chevrolet Silverado
- 2009 Chevrolet Silverado
- 2010 Chevrolet Silverado
- 2011 Chevrolet Silverado
- 2012 Chevrolet Silverado
- 2004 Chevrolet Silverado Classic
- 2005 Chevrolet Silverado Classic
- 2006 Chevrolet Silverado Classic
- 2007 Chevrolet Silverado Classic
- 2004 Chevrolet Tahoe
- 2005 Chevrolet Tahoe
- 2006 Chevrolet Tahoe
- 2007 Chevrolet Tahoe
- 2008 Chevrolet Tahoe
- 2009 Chevrolet Tahoe
- 2010 Chevrolet Tahoe
- 2011 Chevrolet Tahoe
- 2012 Chevrolet Tahoe
- 2004 Chevrolet Trailblazer
- 2005 Chevrolet Trailblazer
- 2006 Chevrolet Trailblazer
- 2007 Chevrolet Trailblazer
- 2004 GMC Canyon
- 2005 GMC Canyon
- 2006 GMC Canyon
- 2007 GMC Canyon
- 2008 GMC Canyon
- 2009 GMC Canyon
- 2010 GMC Canyon
- 2011 GMC Canyon
- 2012 GMC Canyon
- 2004 GMC Envoy
- 2005 GMC Envoy
- 2006 GMC Envoy
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.