Toyota RAV4 fluttering howling noise during acceleration possibly related to CV joints or bearings on Toyota RAV4

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

Problem overview

Some Toyota RAV4 owners report experiencing unusual noises during acceleration, such as fluttering or howling sounds, which may indicate various potential issues. These noises can stem from damaged CV joints, which may produce clicking sounds, especially when turning. Additionally, worn or damaged transmission components, including loose mounts and bearings, can contribute to these unusual sounds. Some owners also note that worn wheel bearings can cause a humming or howling noise that intensifies with acceleration. Issues with the power steering system, such as a faulty pump or fluid leaks, may lead to noticeable whining noises during acceleration. Furthermore, problems in the exhaust system, like leaky muffler joints or broken clamps, can result in loud fluttering sounds. Regular maintenance, including inspecting belts for wear and tension, is crucial in preventing these noise-related issues. It is advisable for owners to consult a professional mechanic if they suspect problems with their CV joints or bearings to ensure accurate diagnosis and resolution.

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