K-Seal Coolant Leak Repair - Permanent Sealant

K-Seal typically seals leaks within minutes of application. Allow the engine to run for 10-15 minutes to ensure the sealant circulates effectively.

Yes, K-Seal is designed to work in radiators and other components of the cooling system.

Using too much K-Seal is not recommended. Follow the instructions on the bottle for the correct amount for your engine's cooling system capacity.

K-Seal is effective for most leaks in the head, head gasket, block, radiator, heater matrix, and water pump. However, it may not work on very large or severe mechanical damage.

K-Seal is compatible with all types of antifreeze. It is generally recommended to avoid mixing it with other cooling system additives unless specifically recommended.

K-Seal has a long shelf life when stored properly in a cool, dry place. Refer to the product packaging for specific expiration information.

K-Seal is guaranteed for the lifetime of the engine.

Ensure the product was added correctly, and the engine was run for the recommended time. If the leak continues, the damage may be too severe for K-Seal to repair. Consult a mechanic.

Check the coolant level and ensure the cooling system is free of airlocks. If overheating persists, turn off the engine and seek professional assistance.

This is normal, as the sealing agents are working through the system. However, if the discoloration is severe or accompanied by other issues, consult a mechanic.