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Why Flush Transmission Fluid?

Maya Lin-Takahashi • • 7 min read
Why Flush Transmission Fluid?

Why Flushing Transmission Fluid is Necessary
Transmission fluid flushes are designed to prevent transmission issues and keep your vehicle working as it should. This process involves cleaning out the old, worn fluid from your system, and replacing it with fresh transmission fluid to keep your vehicle healthy.

Are transmission flushes really necessary?

Many manufacturers recommend a transmission flush every 30,000 miles or 2 years. However, not all recommend this frequently – some suggest a flush only every 100,000 miles, and others don't recommend a transmission flush at all. ... A transmission flush can extend the life of your transmission.

Why You Should Never flush your transmission fluid?

Transmission fluid is highly detergent which can wash the varnish off clutches, causing it to slip. Pressure flushing can cause aging seals to start leaking. When it leaks more than a quart it could burn up the unit.

Maya Lin-Takahashi
Author

Maya Lin-Takahashi

Maya is a hardware enthusiast who tests and reviews smart home devices, smartphones, wearables, and audio gear. She focuses on practical consumer value and build quality.