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RecallGazette

Vehicle problems, recalls & safety intelligence

Chevrolet Avalanche 2007–2010technical service bulletin

Bulletin 09-04-17-002E · NHTSA communication 10037552 · issued Jan 1, 2011

Technical service bulletin
communication type
Power Train
component
2007–2010
model years
20
vehicle entries

Official summary

Gm: there may be a bump noise or clunk feel when stopping or launching. This may be caused by a slip in the transmission. *rm

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.