Ford bulletin TSB 25-2581
What it saysThis article supersedes TSB 25-2511 to update the Service Procedure and Parts List. NHTSA’s full summary ↓
Ford filed this with NHTSA as a service bulletin dated Dec 8, 2025, received Dec 9, 2025, about the engine. It names 4 model years (2021–2024). 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.
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What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationThis article supersedes TSB 25-2511 to update the Service Procedure and Parts List. Some of the vehicles listed in the Model statement above may exhibit a loss of engine coolant from a leak at the coolant pump. This may be due to contamination in the engine's cooling system.
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| TSB 25-2581 | Service bulletin | Dec 8, 2025 | 11026504 | PDF, 624 KB |
What the document itself lists
Parts the bulletin names
| Part number | Description | Qty | Find it |
|---|---|---|---|
| HX7Z-8501-C | Coolant Pump | — | eBay Motors → |
| VC-13DL-G | Motorcraft® Yellow Prediluted Antifreeze/Coolant | — | eBay Motors → |
| CVC-13DL-G | Motorcraft® Yellow Prediluted Antifreeze/Coolant | — | eBay Motors → |
Labour operation and the time the manufacturer allows
| Operation | Description | Time |
|---|---|---|
| 252581A | 2021-2024 Bronco Sport 1.5L EcoBoost: Pressure Test Engine Cooling System To Verify… | 2.4 hrs |
Read by machine from the document NHTSA serves (4 pages), read Sep 30, 2026. A part number is shown only where it matches Ford’s own catalogue shape, an operation only with its code and time, and a description only where the reader got it whole; anything it could not settle is left out, and the PDF is the record. Times are the manufacturer’s warranty allowances, not a quote. Listings and prices on eBay Motors are the seller’s.
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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 themA 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 4 model years this bulletin names have filed 1,323 complaints with NHTSA since 2015. 635 of them name Engine, Fuel/Propulsion System — the same broad component group this bulletin is filed under. NHTSA groups complaints coarsely, so that means the same area of the vehicle, not necessarily the same fault.
On the 2021 Ford Bronco Sport, the 53 owners who gave an odometer reading for Engine reported it at a median of 52,000 miles. That figure is one model year’s, not the whole range this bulletin covers — medians from different model years are not averaged.
The contact owns a 2022 Ford Bronco Sport. The contact received notification of NHTSA Campaign Number: 22V859000 (Fuel System, Gasoline) however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair.
2022 Ford Bronco Sport · Fuel/Propulsion System · filed with NHTSA Feb 9, 2023
While driving on I-95 southbound, the vehicle shut off unexpectedly. This occurred without any warnings, no warning lights in dashboard flashed. This occurred for a total of three times. I had no power, no braking capabilities, no control over the vehicle
2023 Ford Bronco Sport · Engine · filed with NHTSA Mar 19, 2024
Our brand new 2023 Ford Bronco Sport was destroyed by a spontaneous under-the-hood fire that occurred within thirty days of delivery and with less than 50 miles on the odometer. An independent examination found this consistent with a fuel injector fire.
2023 Ford Bronco Sport · Fuel/Propulsion System · filed with NHTSA Jan 18, 2024
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.
More bulletins about the engine
Source: same model, same component group19 other manufacturer communications filed against the Ford Bronco Sport under the same component group (engine), newest first. The eight newest are listed; the rest are on the Ford list.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| 25B33 | Other | Jun 1, 2026 | Certain 2023-2025 Model Year Escape and Corsair, 2024-2025 Model Year Nautilus, 2025-2026 Model Year Bronco Sport and 2025 Model Year Maver… |
| SSM 54822 | Service bulletin | May 14, 2026 | All 2026 Maverick non-Lobo vehicles equipped with a 2.0L engine and built on or after 04-May-2026 and all 2026 Bronco Sport vehicles built o… |
| 25B51 | Other | May 9, 2026 | Certain 2021-2024 Model Year Bronco, 2021-2024 Model Year Bronco Sport, 2020-2022 Model Year Corsair and Escape, 2016-2024 Model Year Explor… |
| SSM 54540 | Service bulletin | Jan 31, 2026 | Some 2025-2026 Escape/Bronco Sport vehicles equipped with a 1.5L EcoBoost engine may require replacement of the engine thermostat due to var… |
| TSB 25-2511 | Service bulletin | Oct 24, 2025 | This article supersedes TSB 25-2428 to update the Parts List. Some of the vehicles listed in the Model statement above may exhibit a loss of… |
| 25N03 | Other | Oct 15, 2025 | Customer Satisfaction Program 25N03 Certain 2021-2023 Model Year Bronco Sport and 2020-2022 Escape with 1.5L Engine and 8F35 Transmission.… |
| TSB 25-2428 | Service bulletin | Sep 10, 2025 | This article supersedes TSB 25-2063 to update the Service Procedure. Some of the vehicles listed in the Model statement above may exhibit a… |
| SSM 54203 | Service bulletin | Sep 9, 2025 | Some 2025 Bronco Sport/Transit vehicles equipped with R-134a refrigerant systems may exhibit a concern of the air conditioning (A/C) blowing… |
Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Ford, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is Ford TSB 25-2581 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 TSB 25-2581 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 TSB 25-2581 cover?
The manufacturer filed it against 4 model years: 2024 Ford Bronco Sport, 2023 Ford Bronco Sport, 2022 Ford Bronco Sport, 2021 Ford Bronco Sport. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.