Nissan Altima 1993–1995 — technical service bulletin
Bulletin NTB95058A · NHTSA communication 45799 · issued Jul 1, 1995
Technical service bulletin
communication type
Engine and Engine Cooling
component
1993–1995
model years
3
vehicle entries
Official summary
Altima exhibits oil leakage at the front of the engine, it may be caused by the o-ring seal between the timing cover and the block. *sd
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.