TSB SSM-55073 — Ford Service bulletin
SSM-55073 is a service bulletin on file with NHTSA for the Ford Bronco, 2021–2026 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. Some 2021-2026 Bronco vehicles may require the removal and installation of the transfer case for various reasons. Installation requires Loctite® 243 adhesive applied to the mounting bolt threads in the transmission. Make sure that the mating faces are clean and dry. Tightening…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years SSM-55073 names
Every document filed under SSM-55073
| Document ID | Filed | Type |
|---|---|---|
| SSM 55073 | August 10, 2026 | Service bulletin |
What SSM-55073 covers
Transmission & drivetrain — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB SSM-55073?
SSM-55073 is a service bulletin filed with NHTSA by Ford, covering the Ford Bronco across the 2021–2026 model years. NHTSA's summary reads: Some 2021-2026 Bronco vehicles may require the removal and installation of the transfer case for various reasons. Installation requires Loctite® 243 adhesive applied to the mounting bolt threads in the transmission. Make sure that the mating faces are clean and dry. Tightening…
Which vehicles does SSM-55073 cover?
NHTSA's file names Ford Bronco (2021–2026). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.
Is TSB SSM-55073 a recall, and is the repair free?
No. SSM-55073 is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.
How do I get the full text of SSM-55073?
Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under SSM-55073, its date, and NHTSA's own summary from the public file.
Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under SSM-55073. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.