2021 Ford F-250 SD Engine cooling Problems
- Complaints
- 3about this part
- Share
- 2%of 167 total for the year
- Median mileage
- 74,122miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the engine cooling of the 2021 Ford F-250 SD, 2% of the 167 complaints for this model year. Where a mileage was given, the median is 74,122 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The contact owns a 2021 Ford F-250. The contact stated that upon starting the vehicle, there was an abnormal valve noise detected. There were no warning lights illuminated. The vehicle was taken to the local dealer, where it was diagnosed with delaminated lifter cam and rockers and push rods. There were metal shavings found in the engine oil. The dealer informed the contact that the engine needed to be replaced. The vehicle was not repaired. The manufacturer was contacted and opened a case and confirmed there was no repair coverage for the failure. …”
NHTSA complaint #11677437, filed 2025-07, 107,244 miles“The contact owns a 2021 Ford F-250. The contact stated there was an abnormal odor of the exhaust fumes inside the vehicle. The contact also stated the diesel cleaning system activated independently causing a strong odor. In addition, the RPM was fluctuating. The vehicle was taken to a local dealer where it was diagnosed but the result was unknown. The vehicle was not repaired. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline. The failure mileage was approximately 41,000. The VIN was not available.”
NHTSA complaint #11586801, filed 2024-05, 41,000 milesRelated service bulletins
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Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2024 | 1 | 3% |
| 2023 | 1 | 2% |
| 2022 | 2 | 2% |
| 2021 | 3 | 2% |
| 2020 | 2 | 1% |
| 2019 | 2 | 0% |
| 2018 | 1 | 0% |
| 2017 | 3 | 0% |
| 2016 | 7 | 2% |
| 2015 | 2 | 1% |
| 2014 | 2 | 8% |
| 2013 | 1 | 5% |
| 2012 | 7 | 12% |
| 2011 | 4 | 3% |
| 2010 | 11 | 34% |
| 2009 | 5 | 22% |
| 2008 | 33 | 23% |
| 2007 | 4 | 7% |
| 2006 | 18 | 7% |
| 2005 | 37 | 13% |
| 2004 | 101 | 40% |
| 2003 | 72 | 40% |
| 2002 | 101 | 41% |
| 2001 | 91 | 32% |
| 2000 | 69 | 30% |
| 1999 | 95 | 38% |
| 1997 | 11 | 28% |
| 1996 | 4 | 36% |
| 1995 | 2 | 22% |
Other parts of the 2021 Ford F-250 SD
44 complaintsTransmission and drivetrain
25 complaintsElectrical system
18 complaintsSuspension
18 complaintsVisibility (wipers, defrost, mirrors)
17 complaintsSteering
15 complaintsOther or unknown
14 complaintsEngine
11 complaintsBody and structure
11 complaintsBack-over prevention (rear camera)
10 complaintsBrakes
7 complaintsExterior lighting
5 complaints
← All problems reported for the 2021 Ford F-250 SD
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology