Chevrolet Avalanche 2002 — technical service bulletin
Bulletin 120601 · NHTSA communication 623538 · issued Jun 12, 2001
Technical service bulletin
communication type
Equipment
component
2002
model years
1
vehicle entries
Official summary
This message pertains to dealer-installed roof rack or assist step equipment. *tt
Vehicles covered
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.