A leaking radiator can be repaired, but not with some sealant. In most cases if the radiator is leaking the very best thing to do is buy a new one and replace it. Unless you are not going to keep the car. If it has one leak it will develop more leaks over time. Plastic radiators can rarely be repaired.
There are some radiator sealant s available you just have to put the sealant in the radiator and it seals it while driving
go to a auto parts shop and they can suggest you where to buy or they already have it
This vehicle has an aluminum radiator with plastic tanks.If he is thinking of using some sort of cilicone sealer he is wasting his time.It will not hold pressure and you will end up overheating the engine and creating a bigger problem.New radiators are not expensive anymore and you can probaly get one at your local parts store for under 200 dollars.
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