An external leak is defined as a leak where the coolant is leaking into open air. K -Seal is more of an all-purpose leak repair product , but it makes for a pretty good. I think it now needs a water pump ,due to it weeping under the crank pulley.
Try stop leak products if you like, but I am very sure you need a . Check out this radiator stop leak review to see if it might be right for you.
The water flows from the hot engine through the radiator, with air. After replacing the radiator, water pump , and thermostat, a slow gasket leak started every time I would. I love this product and would recommend it to anyone with a small gasket leak.
Siirry kohtaan See more product details - K-Seal will not seal water to oil leaks or oil to water leaks. Thought I had a failing water pump but turns out to only be a small leak at the heater core hose. Found a small drip from the weep hole in my water pump.
Found out that the PO had filled it up with sealant.
Suitable for all water cooled engines, K-Seal can be used in anything from a motor . This low viscosity product works fast but will not clog.