Lexus GS 350 2013–2015 — technical service bulletin
Bulletin L-SB-0001-16 · NHTSA communication 10076248 · issued Jan 7, 2016
Technical service bulletin
communication type
Power Train
component
2013–2015
model years
8
vehicle entries
Official summary
Whine noise at 30-50 mph some awd 2013-2015 gs 350 2014-2015 is 350 and 215 model year rc 350 vehicles may exhibit a whine type noise from the transfer case area from 30-50mph under light throttle.
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.