Infiniti QX4 1997–1999 — technical service bulletin
Bulletin ITB99049 · NHTSA communication 610362 · issued Sep 24, 1999
Technical service bulletin
communication type
Power Train
component
1997–1999
model years
3
vehicle entries
Official summary
Vehicles built before jnrar07yxw061373 may exhibit a whine (bearing) noise from the transfer case. *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.