Bar’s Leaks has combined three of its popular stop leak products into a unique multipurpose formula that can eliminate engine, transmission and power steering system fluid leaks. One SealStop Leak, No. 1334, is an additive specifically designed to stop leaks in all three systems, enabling shops to streamline inventory. It is compatible with all engine oils, transmission fluids and power steering fluids. To treat a leak, simply pour one bottle into the leaking system’s reservoir. One bottle treats one leak. Leaks treated with One Seal Stop Leak usually stop after 200 miles or three days of driving, according to the company.