Holts Radweld 125ml MH301 LLC Automotive Radiator Leak Sealant (Coolant)

Seales radiator holes and prevents leaks! [Features] The ultrafine fiber and resin contained in the ingredients seal the holes. Only the parts exposed to the outside air harden, so the residual components inside the radiator circulate without clogging. [Uses] Easily repairs water leaks by simply pouring it into the radiator. If added in advance, it will immediately stop leaks as soon as they occur. It is a permanent repair type, so it will not leak even after changing the coolant again. [Specifications] ● Use one bottle per radiator capacity (~10L) *Addition rate is 3% or less (maximum of 2 bottles can be used) ● Use one bottle of this product for light to regular cars ● Shake the container well to mix thoroughly before pouring ● After pouring, start the engine to warm the coolant and circulate it [Precautions for Use] ● Stop the engine and allow the radiator to cool completely before working ● Cannot be used with super coolant ● Cannot be used with Toyota Century, imported cars, cooling systems with filtration devices, and Honda dual-carb vehicles ● Cannot be used in cars where the coolant passages are clogged with rust, etc., or cars with filters in the water circulation system ● Not effective on holes or cracks larger than 1 mm ● Cannot repair water leaks from all holes or cracks ● If the inside of the radiator (coolant fluid) is dirty, be sure to use a radiator cleaner (Holts Speed Flash MH304 or Clean the inside with MH317 to remove limescale, mud, and rust, then add new coolant. If the dirt does not come off even after using the cleaning agent, refrain from using this product. Pay attention to the rate at which the coolant level decreases until the leak stops.