Sure, almost anything that's aluminum can be repaired. All radiators have an inherent problem. As you use, run, your car and depending on the coolant you use, the material that the radiator is built from, the material gets thin. It wears on the inside and if it's too thin it can't be repaired. There are several other issues that crop up that makes it difficult to impossible to repair. You really don't know until you try. You can't tell how thin a radiator is until you try. Remember most tanks are not aluminum but plastic, it's cheaper to make.
If it's an all aluminum there is an adhesive that can be used (depending on the location of the leak) but it's not a permanent solution. If it is a plastic tank and aluminum depending on the leak no
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