Land Rover LR4 2010–2016 — technical service bulletin
Bulletin LTB00780NAS2 · NHTSA communication 10106005 · issued Dec 10, 2015
Technical service bulletin
communication type
Engine and Engine Cooling
component
2010–2016
model years
21
vehicle entries
Official summary
"situation: a 'humming' noise may be evident from the engine at idle. Cause: this may be caused by dust and/or water ingress to the accessory 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
- 2016 Land Rover LR4
- 2010 Land Rover Range Rover
- 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
- 2016 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
- 2016 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.