Infiniti QX4 1999–2002 — technical service bulletin

Bulletin ITB02029 · NHTSA communication 635059 · issued Apr 29, 2002

Technical service bulletin

communication type

Power Train

component

1999–2002

model years

vehicle entries

Official summary

On some vehicles the all-mode transfer case may become stuck in 4wd low. *tt

Vehicles covered

1999 Infiniti QX4
2000 Infiniti QX4
2001 Infiniti QX4
2002 Infiniti QX4

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.