Lexus GS 350 2013–2015 — technical service bulletin
Bulletin L-SB-0001-16 · NHTSA communication 10134132 · issued Jan 7, 2016
Technical service bulletin
communication type
Power Train
component
2013–2015
model years
8
vehicle entries
Official summary
LSB: Some AWD 2013 ? 2015 GS 350, 2014 ? 2015 IS 350 and 2015 model year RC 350 vehicles may exhibit a whine type noise from the transfer case area from 30 - 50 mph under light throttle. Follow the Repair Procedure in this bulletin to address this condition.
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.