Ford bulletin SSM 53305
What it saysSome 2017-2025 Ford and Lincoln vehicles equipped with a 10R60/10R80/10R80 MHT/10R100 transmission may exhibit a whine noise at idle and/or while driving. NHTSA’s full summary ↓
Ford filed this with NHTSA as a service bulletin dated Jan 17, 2025, received Jan 27, 2025. It names 68 model years across Ford and Lincoln (2017–2025). A service bulletin is not a safety recall: it is the manufacturer telling its dealers how to diagnose or repair a condition, and whether the work is paid for depends on the warranty in force. Quoting the number at a service desk can save a diagnosis.
One page for every brand it was filed under. Each brand’s bulletins: Ford · Lincoln.
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What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationWhat it applies to, as NHTSA’s summary states it — build dates and equipment as the manufacturer filed them. The dealer checks the VIN and the build date on the door jamb; a vehicle outside the window is not covered by this bulletin.
Some 2017-2025 Ford and Lincoln vehicles equipped with a 10R60/10R80/10R80 MHT/10R100 transmission may exhibit a whine noise at idle and/or while driving.
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| SSM 53305 | Service bulletin | Jan 17, 2025 | 11013132 | PDF, 68 KB |
The summary is NHTSA’s abstract of the document, as filed under 49 CFR 579.5. One communication is usually filed as several documents — the bulletin, a dealer notice, an owner letter — and the number on any of them finds this page. A PDF link is shown only once NHTSA’s own server has been seen to serve that document; the rest are checked over the following nights. Quote the number at a service desk; it is what the dealer’s system is keyed on.
Model years it names
Source: as the manufacturer filed themFord 55 model years
and 13 more on this site: 2019 Ford Mustang, 2018 Ford Mustang, 2024 Ford Ranger, 2023 Ford Ranger, 2022 Ford Ranger, 2021 Ford Ranger, 2020 Ford Ranger, 2019 Ford Ranger, 2024 Ford Transit, 2023 Ford Transit, 2022 Ford Transit, 2021 Ford Transit, 2020 Ford Transit.
Also filed against model years this site has no page for: 2023 Ford F-550 SD; 2024 Ford F-550 SD.
Lincoln 13 model years
and 5 more on this site: 2022 Lincoln Navigator, 2021 Lincoln Navigator, 2020 Lincoln Navigator, 2019 Lincoln Navigator, 2018 Lincoln Navigator.
A vehicle page’s bulletin list shows the newest few communications filed against that model year; the count there is every one.
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What owners reported
Source: NHTSA complaint databaseOwners of the 66 model years this bulletin names have filed 16,225 complaints with NHTSA since 2015.
A complaint is one owner’s account, not a defect finding, and a bulletin is not a recall. Nothing here says this bulletin was issued because of these complaints, or that the repair it describes fixed them. Complaint files on this site begin in 2015.

Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Ford and Lincoln, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is Ford SSM 53305 a recall?
No. A service bulletin is a manufacturer communication filed with NHTSA under 49 CFR 579.5; a safety recall carries an NHTSA campaign number (two digits, a letter, six digits) and a federal duty to repair for free. Check the vehicle’s recalls by VIN at nhtsa.gov/recalls, or on its page here.
Is the SSM 53305 repair free?
Not automatically. A service bulletin describes how to diagnose or repair a condition; who pays depends on the warranty in force, any extension, and the dealer. Quoting the number can save a diagnosis either way.
Which vehicles does SSM 53305 cover?
The manufacturer filed it against 68 model years across 2 brands (Ford and Lincoln): 2024 Ford Bronco, 2023 Ford Bronco, 2022 Ford Bronco, 2021 Ford Bronco, 2024 Ford Expedition, 2023 Ford Expedition and more. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.