Friday, August 7, 2026
RecallGazette

Vehicle problems, recalls & safety intelligence

Buick Century 1995–1997technical service bulletin

Bulletin 677164 · NHTSA communication 51296 · issued Feb 1, 1997

Technical service bulletin
communication type
Power Train
component
1995–1997
model years
58
vehicle entries

Official summary

Intermittent neutral or loss of drive at highway speeds or from fourth gear (replace control valve body assembly). *tw

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.