TSB SSM-52548 — Ford and Lincoln Service bulletin
SSM-52548 is a service bulletin on file with NHTSA for 2 Ford and Lincoln models, 2018–2019 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. Various vehicles equiped with 10R80/10R80 MHT/10R100/10R140 transmissions may require replacement of the seal kits (7153) when internal repairs are being performed. These kits come with 4 wheel drive (4WD) seals and will no longer include the 2WD seals. When working on a 2WD…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years SSM-52548 names
| Vehicle | Model years |
|---|---|
| Ford Expedition | 2018, 2019 |
| Lincoln Navigator | 2018, 2019 |
Every document filed under SSM-52548
| Document ID | Filed | Type |
|---|---|---|
| SSM 52548 | May 18, 2024 | Service bulletin |
What SSM-52548 covers
Transmission & drivetrain — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB SSM-52548?
SSM-52548 is a service bulletin filed with NHTSA by Ford and Lincoln, covering 2 Ford and Lincoln models across the 2018–2019 model years. NHTSA's summary reads: Various vehicles equiped with 10R80/10R80 MHT/10R100/10R140 transmissions may require replacement of the seal kits (7153) when internal repairs are being performed. These kits come with 4 wheel drive (4WD) seals and will no longer include the 2WD seals. When working on a 2WD…
Which vehicles does SSM-52548 cover?
NHTSA's file names Ford Expedition (2018–2019); Lincoln Navigator (2018–2019). 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-52548 a recall, and is the repair free?
No. SSM-52548 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-52548?
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-52548, 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-52548. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.