Jeep Grand Wagoneer 2022–2023 — technical service bulletin
Bulletin 9100757 · NHTSA communication 11027840 · issued Jan 21, 2026
Technical service bulletin
communication type
Engine
component
2022–2023
model years
4
vehicle entries
Official summary
If replacing the oil pump on 22-23MY WS 3.0L HO, please follow the diagnostic procedure "09 - Engine, 3.0L GMET6 / Lubrication / PUMP, Engine Oil / Removal and Installation / ENGINE OIL PUMP" to replace the pump without removing the transmission and using the original solenoid.
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.