Dodge Challenger engine overheating issue requiring radiator, water pump, fans, coolant, and thermostat replacement on Dodge Challenger

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

Problem overview

Some Dodge Challenger owners report experiencing engine overheating issues, often attributed to coolant leaks from components such as the water pump, radiator, or hoses, as well as malfunctioning radiator fans and failed thermostats. These overheating problems can also stem from low coolant levels, faulty thermostats, or issues with the water pump. To prevent such issues, regular maintenance checks to ensure proper coolant levels and the functionality of the cooling system are essential. If overheating persists after component replacements, some owners find it necessary to bleed air from the system and use a thermal temp gun to diagnose remaining issues. Additionally, historical concerns indicate that certain Dodge Challenger models have faced problems with clogs due to residual sand in radiators and water pumps, leading to frequent replacements, while earlier models may have had faulty cylinders contributing to overheating and necessitating engine replacements. Promptly addressing these concerns is crucial to avoid further engine damage.

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