Chevrolet Sierra 1999–2001 — technical service bulletin
Bulletin 010866005 · NHTSA communication 623084 · issued Jun 1, 2001
Technical service bulletin
communication type
Structure
component
1999–2001
model years
12
vehicle entries
Official summary
Information regarding new pickup box reinforcement kits which are available for customers who may want to install a cross toolbox, side box, or a ladder rack system as an accessory. *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.