Ford F-250 Super Duty coolant issue after replacing cracked radiator on Ford F-250 Super Duty

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some Ford F-250 Super Duty owners report experiencing coolant issues after replacing a cracked radiator, often stemming from common causes such as loose hose connections, a broken radiator, or a failed water pump. These owners emphasize the importance of thoroughly inspecting the entire cooling system, as leaks can occur in damaged hoses, faulty radiators, or compromised gaskets. Symptoms like puddles of coolant under the truck and visible wear or cracks in hoses are frequently noted. Additionally, some owners have traced coolant leaks back to problems with the secondary water pump and head freeze plugs. If ongoing coolant issues persist, many recommend seeking a professional mechanic's inspection to accurately identify the source of the leak.

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