Ford F-53 2020–2022 — technical service bulletin
Bulletin SSM 51577 · NHTSA communication 10235316 · issued Apr 25, 2023
Technical service bulletin
communication type
Suspension
component
2020–2022
model years
3
vehicle entries
Official summary
Some 2020-2022 F-53 Motorhome chassis vehicles may require a jounce bumper replacement. A new part has been released for service. To service, use part # LU9Z-3020-B tightened to 47.5 +/-7.2Nm. For claiming, use causal part number 3020 and M-time.
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.