Re: 50 on s10..4.3 leak help
looks like you got caught in the cold with straight water in the coolant. does that sound like something that happened? if you are lucky its just a hose, if you are somewhat lucky it is the water pump and freeze plugs, if you are really unlucky it has cracked the block.
if it hasnt been below freezing there, follow the advice given and get under there to look. a water pump leak is super obvious once you see the weep hole. a broken freeze plug can be less obvious.
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