INFINITI FX35 overheating issue possibly related to new thermostat on INFINITI FX35

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

Problem overview

Some INFINITI FX35 owners report experiencing overheating issues potentially related to a new thermostat. These problems can arise if the thermostat is malfunctioning and not opening properly, which prevents adequate coolant circulation and can lead to engine overheating. Additionally, some owners find that improper coolant flow through the radiator, due to a faulty thermostat, exacerbates the overheating problem. In certain cases, air trapped in the cooling system may need to be bled out to ensure proper circulation. Furthermore, insufficient airflow through the radiator can also contribute to overheating. It is advisable for owners to inspect the thermostat and consider these factors to effectively address the overheating issue.

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