Subaru Outback transmission slipping during shifts with high RPM revs on Subaru Outback

Submitted by Jeffrey 887a56 · Jun 23, 2025
Published by RepairPal

Problem overview

Some Subaru Outback owners report experiencing transmission slipping during shifts with high RPM revs, which can lead to serious and lasting damage if not addressed promptly. They note signs such as a delay in acceleration, sudden loss of power, or the engine revving without gaining speed, with specific cases reporting the engine reaching 3000 RPM at 30 mph without shifting to the next gear. Additionally, some owners experience intermittent slipping and catching, particularly when driving slowly or aggressively. Common related issues include delayed or rough gear shifting, slipping gears, leaking transmission fluid, and dashboard warning lights. Owners also report unusual noises like grinding, whining, or clunking, burning smells, and difficulty shifting gears. It is crucial for Subaru Outback owners to pay attention to these signs and symptoms to accurately identify the issue and take appropriate action to prevent further damage.

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