Buick Century 1993–1995 — technical service bulletin
Bulletin 436604 · NHTSA communication 39083 · issued Jan 1, 1995
Technical service bulletin
communication type
Engine and Engine Cooling
component
1993–1995
model years
13
vehicle entries
Official summary
Exhaust manifold seal squeak. *tw
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.