freeze out plugs are metal plugs in the block and heads of your engine. they are are there if the coolant was mixed wrong with to much water and the vehicle freezes they will pop out allowing...
freeze plugs are located along both sides of block also at rear behind the flywheel.also have smaller freeze plugs in heads
these plugs are used to fill holes that are left in the block and heads...
a freeze plug hole is where the sand is removed from your engine block or head when they were cast in a sand form. then the freeze plug itself is installed to seal those holes that are where liquid...