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Q:

headgasket on 1994 Buick Skylark

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
could overfilling the antifreeze/coolant after a recent radiator replacement cause head gasket to leak? does steel seal work on my gasket?
(1) Answer
Over filling would not hurt your head gasket. Most likely, when the radiator wore out, it allowed the engine to over badly over heat. When I check out an engine that has run out of coolant, I do a Block Check to make sure that the head gasket is still intact.