Land Rover Defender 2020–2026 — technical service bulletin
Bulletin SSM76324 - 06JUL26 · NHTSA communication 11035679 · issued Jul 6, 2026
Technical service bulletin
communication type
Unknown OR Other
component
2020–2026
model years
22
vehicle entries
Official summary
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
- 2026 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
- 2026 Land Rover Discovery
- 2022 Land Rover Range Rover
- 2023 Land Rover Range Rover
- 2024 Land Rover Range Rover
- 2025 Land Rover Range Rover
- 2026 Land Rover Range Rover
- 2023 Land Rover Range Rover Sport PHEV
- 2024 Land Rover Range Rover Sport PHEV
- 2025 Land Rover Range Rover Sport PHEV
- 2026 Land Rover Range Rover Sport PHEV
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.