Land Rover LR4 2010 — technical service bulletin
Bulletin LTB00305NAS2 · NHTSA communication 10214005 · issued Jan 25, 2013
Technical service bulletin
communication type
Engine and Engine Cooling
component
2010
model years
2
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.