2021 Ford F-250 SD: complete transmission failure

Filed Aug 28, 2026 · Transmission · VA

Transmission, temporally could be available but to replace it there is a $1500 core charge The transmission catastrophically failed, which lead to the rear wheels to lock up while driving, putting me and others at risk, had i been going faster when it did lock up No the problem has not been reproduced by a independent service center as i am going to replace the transmission myself I have inspected it along with a mechanic via photos showing all the metal fragments in the fluid and filter No warning lamps prior to the failure, but there where warning lights of service vehicle soon before the transmission locked up. Ever since new the transmission has shifted erratically especially from 3-4 and 6-7. Ford told me this was normal when I brough it in back when it only had a 20 or 30k miles on it for the erratic shifting. I now have 76K miles.

Filed Jul 15, 2026 · Transmission · NE

This is a follow-up to my original complaint #XXX, filed XXX, regarding the failure of the 10R140 10-speed automatic transmission in my 2021 Ford F-250 Super Duty (VIN: [XXX]). The transmission began exhibiting symptoms of gear slipping, jerking, delayed and harsh shifting, and pinging from the torque converter around 100,000 miles. These symptoms progressively worsened until the transmission suffered a catastrophic internal failure. As documented in the attached Sid Dillon Ford repair order, an authorized Ford dealer found metal contamination in the transmission fluid and confirmed that a complete transmission replacement was required. The attached Friesen Ford repair order also shows that harsh engagements were present and that a transmission flush failed to resolve the issue. I have also attached a sworn statement from [XXX], an independent automotive technician who has serviced vehicles for my family for several years. In his sworn statement, he confirms that these 10R140 transmissions have known serious ongoing issues and that many mechanics avoid working on them due to these problems. Ford Motor Company was provided with the above repair records and the sworn statement but has denied any responsibility or reimbursement for the transmission failure. The failure created a serious safety risk due to the sudden loss of propulsion while driving. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Nov 30, 2025 · Transmission · NE

My 2021 Ford F-250 equipped with the 10R140 10-speed transmission suffered a sudden internal failure around ~100,000 miles. The failure symptoms and internal damage match the defect Ford acknowledged in Safety Recall 22V‑256, which applies to the 2020 F-250/F-350 trucks using the same 10R140 transmission. Despite identical symptoms and the same transmission design, my VIN [XXX] ) was excluded from the recall. the federal safety agency’s VIN decoder also returned an “ambiguous model year” notice, suggesting this vehicle may have been built during the transition period where Ford continued using the same defective 10R140 components. Symptoms experienced prior to failure included harsh shifting, delayed engagement, gear slipping, and eventual loss of drive. A transmission shop stated they “won’t touch these transmissions” due to known issues. The failure created a serious safety risk due to sudden loss of power while driving. This appears to be a recall scope error. Early 2021 units like mine are experiencing the same 10R140 internal failures as the recalled 2020 population. I request the federal safety agency investigate whether Ford under-reported the affected VIN range and whether the recall should be expanded to include early-2021 F-250 trucks. 10R140 transmission failure on a 2021 Ford F-250. Identical to the failure described in 2020 Recall 22V‑256. Early 2021 VIN, suspected recall scope error. approximately sometime in January 2025 not exact date. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed May 29, 2025 · Transmission · VT

10 speed transmission causing unsafe operation. Stalling , stopping decelerated shifting.. replace with a new transmission by ford and nown14k miles in its doing the same thing. Someone will wreck because of this and it won't be good!

Filed Jan 2, 2025 · Fuel system · 95,000 miles · TX

The contact owns a 2021 Ford F-250. The contact stated that while driving at an undisclosed speed, the transmission failed to shift as intended. The contact stated that the transmission was shifting erratically. Additionally, the contact stated that the vehicle was difficult to start and was idling rough. The vehicle was taken to the dealer however, the contact was informed that without the check engine warning light illuminated, there was no need for a diagnostic test. The contact stated that the failure was intermittent. The contact received notification of the federal safety agency Campaign Number: 24V957000 (Fuel System, Diesel); however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the failure. The failure mileage was 95,000. VIN tool confirms parts not available.