Buick Enclave 2024–2025 — technical service bulletin
Bulletin 25-NA-111 · NHTSA communication 11022033 · issued May 5, 2025
Technical service bulletin
communication type
Engine
component
2024–2025
model years
5
vehicle entries
Official summary
This bulletin provides a procedure to locate and repair a possible rolled seal at the intake actuator magnet if found the cause of the customers concern of an oil leak at top of engine.
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.