Tesla Model S P85 Has Large Drive Unit Problems! Internal Coolant Leak & LDU Rebuild

Published at : 23 Dec 2025

Alex troubleshoots and fixes the internal coolant issues on an older performance Model S, equipped with the "Large Drive Unit". He shows how he addresses coolant leaking and rebuild/refresh of the LDU at his shop.

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Alex's shop: www.wattworks-ev.com

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