Lexus RX350 2016–2019 — technical service bulletin
Bulletin L-SB-0046-18 · NHTSA communication 10153199 · issued Dec 5, 2018
Technical service bulletin
communication type
Fuel System, Gasoline
component
2016–2019
model years
4
vehicle entries
Official summary
TSB: Some 2016 - 2019 model year RX350 and 2018 - 2019 model year RX350L vehicles may exhibit a knocking noise from the fuel tank area at idle, vehicle stationary, with a full tank of gasoline. 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.