Land Rover Defender 2023–2024 — technical service bulletin
Bulletin N763v6 UPS8522-6 · NHTSA communication 10232690 · issued Feb 7, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2023–2024
model years
6
vehicle entries
Official summary
Camshaft Carrier Drill Hole
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.