In affected vehicles, the Variable Displacement Oil Pump (VDOP) delivers oil to the engine at low...
Ford technical service bulletin 24B27 for 2020-2024 Ford F-250 SD, 2020-2024 Ford F-350 SD and 2020-2024 Ford F-450 SD and others.
- Bulletin number
- 24B27
- Component
- Unknown or other
- Summary
- In affected vehicles, the Variable Displacement Oil Pump (VDOP) delivers oil to the engine at low pressure/capacity during idle conditions. Routine occurrences of prolonged idle time may result in excess wear to the engine camshaft lobes and valve tappet surfaces due to reduced lubrication. Over time, the engine may progressively run rough due to cylinder misfire. Additionally, customers may hear engine tapping noises and the Check Engine Light (CEL) may illuminate.
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