Cadillac Deville 1999 — technical service bulletin
Bulletin 99086 · NHTSA communication 613599 · issued Apr 14, 2000
Technical service bulletin
communication type
Engine and Engine Cooling
component
1999
model years
4
vehicle entries
Official summary
Customer satisfaction campaign regarding vehicles exhibiting a condition in which the cylinder head bolts may become loose. **mr
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.