Land Rover Defender 2020–2025 — technical service bulletin
Bulletin SSM76324 - 21MAY25 · NHTSA communication 11019082 · issued May 21, 2025
Technical service bulletin
communication type
Unknown OR Other
component
2020–2025
model years
18
vehicle entries
Official summary
JLR Engineering investigations have found customer reports of a low-speed ‘clonk’ type noise from the rear driveline, audible during low-speed throttle inputs, often coupled with up/down gear changes. The noise is audible during normal road driving conditions.
Vehicles covered
- 2021 Land Rover Defender
- 2022 Land Rover Defender
- 2023 Land Rover Defender
- 2024 Land Rover Defender
- 2025 Land Rover Defender
- 2020 Land Rover Discovery
- 2021 Land Rover Discovery
- 2022 Land Rover Discovery
- 2023 Land Rover Discovery
- 2024 Land Rover Discovery
- 2025 Land Rover Discovery
- 2022 Land Rover Range Rover
- 2023 Land Rover Range Rover
- 2024 Land Rover Range Rover
- 2025 Land Rover Range Rover
- 2023 Land Rover Range Rover Sport
- 2024 Land Rover Range Rover Sport
- 2025 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.