Jeep Grand Cherokee 2022–2023 — technical service bulletin
Bulletin 9100139 · NHTSA communication 10247909 · issued Feb 27, 2023
Technical service bulletin
communication type
Wheels
component
2022–2023
model years
2
vehicle entries
Official summary
Front Wheel Hub and Bearing Before replacing the front or rear wheel hub and bearing for moaning, grinding, or groaning type noise, verify the noise is not coming from the transfer case. Follow the diagnostic procedure outlined in SOL Publication S2303000001 prior to any repair.
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.