Land Rover LR4 2010–2015 — technical service bulletin
Bulletin LTB00744NAS1 · NHTSA communication 10104021 · issued Feb 23, 2015
Technical service bulletin
communication type
Power Train
component
2010–2015
model years
11
vehicle entries
Official summary
"situation: a rattling/vibrating noise from underneath the vehicle when driving on an uneven road surface may be evident. Cause: this may be caused by a cracked transmission heat shield mounting bracket."
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.