Infiniti QX56 2011–2012 — technical service bulletin
Bulletin ITB12-025 · NHTSA communication 10044047 · issued Apr 30, 2012
Technical service bulletin
communication type
Engine and Engine Cooling
component
2011–2012
model years
2
vehicle entries
Official summary
Infiniti: the engine fan is noisy and there is noticeable lack of power when accelerating in traffic, particularly in hot weather. *js
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.