Nissan Quest 1993–1997 — technical service bulletin
Bulletin NTB98003 · NHTSA communication 601721 · issued Jul 1, 1998
Technical service bulletin
communication type
Engine and Engine Cooling
component
1993–1997
model years
5
vehicle entries
Official summary
Condition with the rear main seal retainer gasket leaking oil. *yc
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.