Ford: some trucks, when engine oil temperature, for diesel, is below 150F (65C) and/or oscillating turbo...
Ford technical service bulletin ASI-44121 for 2011-2014 Ford F-450 SD, 2011-2014 Ford F-550 SD and 2011-2014 Ford F-650 SD and others.
- Bulletin number
- ASI-44121
- Component
- Engine and engine cooling: engine: diesel
- Summary
- Ford: some trucks, when engine oil temperature, for diesel, is below 150f (65c) and/or oscillating turbo whine at idle, a turbo spool down (hoot) noise is heard on throttle tip out. Model 2011-2014 f-super duty.
Owners of these vehicles have filed 12 complaints in the engine category.
Vehicles covered
- Ford F-450 SD 2011-2014 2011201220132014
- Ford F-550 SD 2011-2014 2011201220132014
- Ford F-650 SD 2011-2014 2011201220132014
- Ford F-750 SD 2011-2014 2011201220132014
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