Buick Lesabre 1998–1999 — technical service bulletin
Bulletin 3115 · NHTSA communication 10009950 · issued Jan 1, 2004
Technical service bulletin
communication type
Engine and Engine Cooling
component
1998–1999
model years
13
vehicle entries
Official summary
Engine intake manifold coolant leak. *sc
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.