Land Rover Defender 2021–2024 — technical service bulletin
Bulletin SSM76344 - 18JUL25 · NHTSA communication 11021619 · issued Jul 18, 2025
Technical service bulletin
communication type
Unknown OR Other
component
2021–2024
model years
12
vehicle entries
Official summary
Oil Leak From The Transfer Case
Vehicles covered
- 2022 Land Rover Defender
- 2023 Land Rover Defender
- 2024 Land Rover Defender
- 2021 Land Rover Discovery
- 2022 Land Rover Discovery
- 2023 Land Rover Discovery
- 2024 Land Rover Discovery
- 2022 Land Rover Range Rover
- 2023 Land Rover Range Rover
- 2024 Land Rover Range Rover
- 2023 Land Rover Range Rover Sport
- 2024 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.