Ford F-350 Super Duty water pump pulley failure causing loss of brakes and steering on Ford F-350 Super Duty

Submitted by rayball · Jun 23, 2025
Published by RepairPal

Problem overview

Some Ford F-350 Super Duty owners report experiencing severe issues related to water pump pulley failure, including sudden loss of power steering and hard-to-press brakes. This failure can occur when the bolts securing the water pump pulley snap while driving, leading to symptoms such as a check battery light, no power steering, and diminished brake performance. Additionally, the broken water pump pulley may cause coolant leaks, exacerbating the situation. Owners are advised to promptly address any water pump pulley issues to avoid safety hazards and prevent further damage to the vehicle. Furthermore, some owners have found that residual casting sand can lead to water pump seal failures and leaks, highlighting the necessity of regular inspections for signs of damage or wear. If symptoms like loss of power steering, hard brakes, or unusual noises are experienced, it is crucial to have the vehicle inspected by a qualified mechanic to diagnose potential water pump pulley problems. Regular maintenance and timely repairs are essential for ensuring the safety and reliability of the Ford F-350 Super Duty on the road.

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