Jeep Grand Wagoneer 2022 — technical service bulletin
Bulletin 9004480 · NHTSA communication 10240957 · issued Jun 3, 2023
Technical service bulletin
communication type
Power Train
component
2022
model years
2
vehicle entries
Official summary
AXLE ASSEMBLY, Rear Complete For customer concerns related to Binding, Noise, or Oil Discoloration refer to all applicable service publications such as Star Online Publication S2203000002 prior to replacement.
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.