Cadillac Seville 2000 — technical service bulletin
Bulletin 990602019 · NHTSA communication 6089973 · issued Dec 1, 1999
Technical service bulletin
communication type
Engine and Engine Cooling
component
2000
model years
1
vehicle entries
Official summary
Some vehicles built between vin breakpoints yu151384 and yu151853 may exhibit a coolant leak at engine heater inlet pipe connector / fitting. *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.