Land Rover Defender 2023–2024 — technical service bulletin
Bulletin N763 UPS8522-5 · NHTSA communication 10232688 · issued Feb 3, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2023–2024
model years
7
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.