Ford: after cold start in ambient temperatures, the engine may experience a growling, hissing, metallic...
Ford technical service bulletin ASI-44528 for 2011-2015 Ford F-250 SD, 2011-2015 Ford F-350 SD and 2011-2015 Ford F-550 SD and others.
- Bulletin number
- ASI-44528
- Component
- Engine
- Summary
- Ford: after cold start in ambient temperatures, the engine may experience a growling, hissing, metallic kind of noise. Model 2011-2015 f-super duty.
Owners of these vehicles have filed 194 complaints in the engine category.
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