2021 Ford F-550 SD Engine cooling Problems
- Complaints
- 1about this part
- Share
- 8%of 12 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine cooling of the 2021 Ford F-550 SD, 8% of the 12 complaints for this model year. 1 a fire, according to the filers.
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.
“While driving down the road at approximately 45 mph, under normal conditions, with no warning indicators the low fuel pressure light came on. When the driver stopped the vehicle he lost all power and observed smoke emanating from the underside and hood of the vehicle. Prior to him exiting the vehicle he observed flames shooting out from under the console towards his feet. Upon exiting the vehicle I saw flames under the hood of the vehicle and utilized his supplied fire extinguisher to attempt to put the fire out. …”
NHTSA complaint #11433239, filed 2021-09Related service bulletins
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- 10226736Nov 1, 2022Some 2020-2022 F-Super Duty vehicles equipped with a 6.7L engine may exhibit an A/C system blowing only warm air. This may be due to the powertrain control module inhibiting the…
- 10225441Oct 25, 2022Some 2020-2022 F-Super Duty vehicles equipped with a 6.7L engine may exhibit an illuminated malfunction indicator lamp (MIL), lack of power, and/or excessive turbo noise during…
- 10220325Sep 14, 2022Some 2020-2022 F-Super Duty vehicles equipped with a 6.2L or 7.3L gas engine may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P0339…
Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2021 | 1 | 8% |
| 2008 | 8 | 31% |
| 2007 | 1 | 4% |
| 2006 | 5 | 11% |
| 2005 | 5 | 16% |
| 2004 | 16 | 33% |
| 2003 | 6 | 18% |
| 2002 | 4 | 18% |
| 2001 | 2 | 7% |
| 2000 | 5 | 7% |
| 1999 | 10 | 16% |
Other parts of the 2021 Ford F-550 SD
10 complaintsEngine
2 complaintsSteering
1 complaintsTransmission and drivetrain
1 complaints
← All problems reported for the 2021 Ford F-550 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