Nissan Sentra 1991–1994 — technical service bulletin

Bulletin NTB94056A · NHTSA communication 39323 · issued Feb 1, 1995

Technical service bulletin

communication type

Engine and Engine Cooling

component

1991–1994

model years

vehicle entries

Official summary

1991-94 sentra ga16de spark knock. *tw

Vehicles covered

1991 Nissan Sentra
1992 Nissan Sentra
1993 Nissan Sentra
1994 Nissan Sentra

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.