Honda Civic motor mounts issue with engine vibration due to antifreeze burning on Honda Civic

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

Problem overview

Some Honda Civic owners report experiencing engine vibrations, particularly in relation to antifreeze burning, which can be linked to several underlying issues. Many owners note that worn engine mounts can lead to excessive vibration, as these components are crucial for stabilizing the engine and preventing it from moving out of its proper location. Symptoms of bad motor mounts often include noticeable vibrations throughout the vehicle, especially if the powertrain is not adequately supported. Additionally, engine misfires are a common cause of vibrations, resulting in rough idling and further discomfort. The rubber isolation in motor mounts is designed to absorb engine vibrations, and when these mounts wear out, the smooth ride can be compromised. Furthermore, if antifreeze is burning, it may indicate a leak or cooling system issue that requires immediate attention to prevent overheating and potential engine damage. It is recommended for owners to seek a thorough inspection by a qualified mechanic to address these concerns effectively.

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