Infiniti QX50 2014–2021 — technical service bulletin

Bulletin ITB21-023 · NHTSA communication 10203443 · issued Oct 25, 2021

Technical service bulletin

communication type

Power Train

component

2014–2021

model years

vehicle entries

Official summary

TRANSFER ASSEMBLY SEAL REPLACEMENT FOR AWD FRONT DRIVE SHAFT REMOVAL SERVICE INFORMATION When removing the front passenger (RH) side drive shaft on an applied vehicle for any reason, transfer assembly drive shaft oil seal and dust cover seal replacement is required. Refer to the SERVICE PROCEDURE in this bulletin.

Vehicles covered

2019 Infiniti QX50
2020 Infiniti QX50
2021 Infiniti QX50
2014 Infiniti QX60
2015 Infiniti QX60
2016 Infiniti QX60
2017 Infiniti QX60
2018 Infiniti QX60
2019 Infiniti QX60
2020 Infiniti QX60
2014 Infiniti QX60 Hybrid

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.