Buick Terraza 2006 — technical service bulletin
Bulletin 3756 · NHTSA communication 10019935 · issued May 16, 2006
Technical service bulletin
communication type
Engine and Engine Cooling
component
2006
model years
9
vehicle entries
Official summary
Oil leak at crankshaft/balancer seal. *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.