Buick Skylark 1987–1988 — technical service bulletin
Bulletin 476147A · NHTSA communication 39076 · issued Jan 1, 1995
Technical service bulletin
communication type
Engine and Engine Cooling
component
1987–1988
model years
4
vehicle entries
Official summary
Rattling noise/engine overheating. *tw
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.