Radiator drain plug broke off
well i didnt know it waqs on my way to work got a new one put it in, now seems to be running hotter than it did before by the wat did run hot on the way to work not batenough for head gasket stopeed three times let it cool added water but do i need to replace themostat since it got so hot, i drove it home 18 miles didnt run hot but ran warmer its a 1996 straight 6cyl checked all hoses fine no leaking under it what would u do thanks




