Land Rover LR4 2010–2014 — technical service bulletin
Bulletin LTB00305NAS3 · NHTSA communication 10214006 · issued Mar 25, 2013
Technical service bulletin
communication type
Structure
component
2010–2014
model years
8
vehicle entries
Official summary
Technical Bulletin: Audible Boom/Vibration at 2,400-2,800 RPM
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.