TSB ITB21-023B — Infiniti Service bulletin

ITB21-023B is a service bulletin on file with NHTSA for the Infiniti QX60, 2014–2020 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. TRANSFER ASSEMBLY SEAL REPLACEMENT FOR AWD FRONT DRIVE SHAFT REMOVAL This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

NHTSA's own summary of the document, quoted from the public manufacturer-communications file.

1Document filed
1Vehicle named
7Model years

Vehicles and model years ITB21-023B names

VehicleModel years
Infiniti QX60 2014, 2015, 2016, 2017, 2018, 2019, 2020

Every document filed under ITB21-023B

Document IDFiledType
ITB21-023B December 13, 2023 Service bulletin

What ITB21-023B covers

Transmission & drivetrain — the component vocabulary NHTSA files this communication under.

← All Infiniti QX60 TSB years TSB lookup by model

Questions buyers ask

What is TSB ITB21-023B?

ITB21-023B is a service bulletin filed with NHTSA by Infiniti, covering the Infiniti QX60 across the 2014–2020 model years. NHTSA's summary reads: TRANSFER ASSEMBLY SEAL REPLACEMENT FOR AWD FRONT DRIVE SHAFT REMOVAL This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

Which vehicles does ITB21-023B cover?

NHTSA's file names Infiniti QX60 (2014–2020). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.

Is TSB ITB21-023B a recall, and is the repair free?

No. ITB21-023B is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.

How do I get the full text of ITB21-023B?

Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under ITB21-023B, its date, and NHTSA's own summary from the public file.

Data updated 2026-08-20 from NHTSA's public records

Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under ITB21-023B. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.