Bar's Leaks is a trusted manufacturer of automotive fluid additives, specializing in cooling system sealants, head gasket repairs, and stop leak solutions.
Bar's Leaks provides high-quality automotive chemical solutions designed to keep your vehicle running smoothly. Specializing in stop-leak products, head gasket sealers, and cooling system repairs, the brand has been a trusted name in reliable automotive maintenance for decades. From simple radiator leaks to complex blown head gaskets, Bar's Leaks offers easy-to-use, professional-grade formulas for DIY mechanics and professionals alike.
Whether you need a quick fix for a fluid leak or long-term preventative maintenance for your engine, transmission, power steering, or cooling system, Bar's Leaks product technical guides provide vital step-by-step instructions. Their comprehensive manuals help users correctly apply products to avoid costly mechanical repairs, prevent cavitation, and ensure overall vehicle reliability.
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Yes, it is compatible with all types and brands of 50/50 mix antifreeze, as well as straight water. Dirty or partially clogged systems, however, should be flushed before usage.
Yes, Bar's Leaks formula works with all gasoline and diesel engines, and works efficiently on both aluminum and cast iron heads and blocks.
No. When applied correctly according to the manual (such as turning your vehicle's heater control to HOT to allow full flow), Bar's Leaks products will not clog your heater core.
Generally, no. You can top off the radiator and leave the appropriate Bar's Leaks sealant in the system for continued protection and standard driving.