Cadillac Cadillac 1997 — technical service bulletin
Bulletin 971101776119 · NHTSA communication 54203 · issued Nov 1, 1997
Technical service bulletin
communication type
Engine and Engine Cooling
component
1997
model years
5
vehicle entries
Official summary
Vehicles exhibiting chirping, ticking, knocking, or "trashy" noises from the front of the engine. *yc
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.