Maximus Member 1,627 Member For: 17y 6m 21d Gender: Male Location: Slip Sliding Away Posted 18/10/09 01:01 AM Share Posted 18/10/09 01:01 AM Frost/Freeze plugs are something different again I think.From WikiA true freeze plug is an expansion plug located in the side of an engine block that is supposed to protect the block against freeze damage. Water expands when it turns to ice, and if the coolant does not have enough antifreeze protection it can freeze and crack the engine block. The freeze plugs (there are usually several) are supposed to pop out under such conditions to relieve the pressure on the block. Link to comment Share on other sites More sharing options...
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