Land Rover LR4 2010–2015 — technical service bulletin
Bulletin LTB00780NAS1 · NHTSA communication 10105827 · issued Oct 7, 2015
Technical service bulletin
communication type
Engine
component
2010–2015
model years
17
vehicle entries
Official summary
"situation: a 'humming' noise may be evident from the engine when the engine is idling. Cause: this may be caused by dust and/or water ingress to the primary drive belt idler pulley bearing."
Vehicles covered
- 2010 Land Rover LR4
- 2011 Land Rover LR4
- 2012 Land Rover LR4
- 2013 Land Rover LR4
- 2014 Land Rover LR4
- 2015 Land Rover LR4
- 2011 Land Rover Range Rover
- 2012 Land Rover Range Rover
- 2013 Land Rover Range Rover
- 2014 Land Rover Range Rover
- 2015 Land Rover Range Rover
- 2010 Land Rover Range Rover Sport
- 2011 Land Rover Range Rover Sport
- 2012 Land Rover Range Rover Sport
- 2013 Land Rover Range Rover Sport
- 2014 Land Rover Range Rover Sport
- 2015 Land Rover Range Rover Sport
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.