Stellantis Patents Advanced Transmission Fluid Drainage System
New Method Uses An Electric Pump For Efficient Fluid Replacement
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Stellantis has been granted a patent by the United States Patent and Trademark Office (USPTO)for an improved method of draining and replacing transmission fluid in automatic transmissions. The patent, officially issued on January 28, 2025, introduces a system that utilizes an electrically powered auxiliary oil pump to enhance traditional gravity-based drainage, ensuring a more thorough flush while eliminating the need to run the engine during servicing.
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