Liqui Moly Power Steering Fluid Stop Leak is designed to stop oil loss and revitalize your power steering system. Its unique formula maintains rubber and plastic seals, while also restoring hardened seals to prevent further leakage. This additive cleans holes and ducts within the steering gear, improving oil performance and ensuring smoother steering over time. It is also designed to reduce unwanted steering noise, creating a quieter, more comfortable driving experience.