A coolant leak sealant is a substance added to an engine’s cooling system to seal leaks and prevent further coolant loss. It is typically used as a temporary repair until the leak can be permanently fixed.
Coolant leak sealants can be effective at stopping small leaks, but they are not a permanent solution. They can also clog the cooling system if not used properly. It is important to follow the manufacturer’s instructions carefully when using a coolant leak sealant.
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