Chevrolet Impala 2000–2001 — technical service bulletin
Bulletin 121000 · NHTSA communication 617671 · issued Oct 12, 2000
Technical service bulletin
communication type
Engine and Engine Cooling
component
2000–2001
model years
4
vehicle entries
Official summary
Information on vehicles experiencing a snap or click-type noise (engine frame noise) while turning the wheel with the vehicle stationary. *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.