Infiniti QX56 2004–2010 — technical service bulletin
Bulletin ITB-10-025 · NHTSA communication 10032629 · issued Apr 8, 2010
Technical service bulletin
communication type
Electrical System
component
2004–2010
model years
7
vehicle entries
Official summary
Infiniti: the propeller shaft u joint (journal/journal bearings) is the source of noise and/or vibration on an applied vehicle. Diagnose by evaluating the u joint with the propeller shaft removed. *pe
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.