Chevrolet Impala 2000–2003 — technical service bulletin
Bulletin 121302 · NHTSA communication 10002750 · issued Dec 13, 2002
Technical service bulletin
communication type
Engine and Engine Cooling
component
2000–2003
model years
8
vehicle entries
Official summary
Engine frame click or snap noise during low speed maneuvers. *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.