Chevrolet Sierra 1999–2000 — technical service bulletin
Bulletin 210900 · NHTSA communication 619055 · issued Sep 21, 2000
Technical service bulletin
communication type
Steering
component
1999–2000
model years
7
vehicle entries
Official summary
Subject regarding power steering system noise that requires replacement of the rack and pinion assembly on two-wheel drive models. *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.