Land Rover Defender 2017–2025 — technical service bulletin
Bulletin SSM76375 - 04AUG25 · NHTSA communication 11022421 · issued Aug 4, 2025
Technical service bulletin
communication type
Service Brakes
component
2017–2025
model years
22
vehicle entries
Official summary
Rear Brake Caliper Piston Dust Boot Distortion Risk
Vehicles covered
- 2020 Land Rover Defender
- 2021 Land Rover Defender
- 2022 Land Rover Defender
- 2023 Land Rover Defender
- 2024 Land Rover Defender
- 2025 Land Rover Defender
- 2017 Land Rover Discovery
- 2018 Land Rover Discovery
- 2019 Land Rover Discovery
- 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.