That I will. Ok then, so let's say that I pull the driver's side tumbler and clean it and degunk it. Is it possible that the tumbler could be worn down and still cause problems? Or could it just be that the key is worn down and I need a new key? Can a locksmith make a new key for the tumblers once their cleaned? What it reasonable to pay for a new key like that?

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1983 300D TurboDiesel