Land Rover Discovery Sport 2019–2020 — technical service bulletin
Bulletin N451NAS2 · NHTSA communication 10178070 · issued Jul 1, 2020
Technical service bulletin
communication type
Engine and Engine Cooling
component
2019–2020
model years
8
vehicle entries
Official summary
A potential issue has been identified on certain Land Rover vehicles within the listed Affected Vehicle Range which may experience excessive engine cooling fan noise in the passenger compartment and eventual degradation of the engine cooling system performance.
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.