There are mixed reviews on the effectiveness of steel seal. Some people have reported that it has successfully sealed leaks in their head gaskets, while others have reported that it has not worked. There are a few factors that can affect the effectiveness of steel seal, such as the size and location of the leak, the type of engine, and the condition of the cooling system.
If you are considering using steel seal to repair a head gasket leak, it is important to do your research and carefully follow the instructions on the product label. Steel seal is not a permanent fix for a head gasket leak, and it may not be suitable for all types of leaks. If you are not sure whether or not steel seal is right for you, it is a good idea to consult with a qualified mechanic.