Toyota RAV4 transmission engagement causes lack of acceleration and humming noise, resolved by flushing fluid and replacing filter on Toyota RAV4

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

Problem overview

Some Toyota RAV4 owners report experiencing a lack of acceleration and a humming noise, which may indicate issues with transmission engagement. These problems can arise from worn gears due to friction over time, leading to further transmission complications. To address these symptoms, some owners find that flushing the transmission fluid and replacing the filter can be effective solutions. However, it is advisable for those encountering these issues to seek professional diagnosis and repair to ensure the proper functioning of the transmission system and to avoid potential long-term damage.

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