Jeep Grand Wagoneer 2025 — technical service bulletin
Bulletin 09-012-25 · NHTSA communication 11018861 · issued May 28, 2025
Technical service bulletin
communication type
Engine
component
2025
model years
3
vehicle entries
Official summary
"Flexplate Bolts Loose Customers may experience the following: ● Noise coming from under the hood. This bulletin involves replacing all flexplate to crankshaft bolts."
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.