Land Rover LR4 2015–2017 — technical service bulletin
Bulletin SSM73127 · NHTSA communication 10116172 · issued Apr 25, 2017
Technical service bulletin
communication type
Engine
component
2015–2017
model years
8
vehicle entries
Official summary
Issue: JLR is investigating 3.0L Supercharger noise.
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.