Quote:
Originally Posted by fingpilot
Change every rubber hose you can while the head is off. The boiling water (steam) probably weakened them all, amd maybe even melted/burst the one that was leaking.
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Sometimes a heater hose will spring a small pinhole leak and cause you to lose coolant slowly... slowly... slowly... over the space of several minutes.
So the coolant level/amount creeps downward to the point some parts of the engine are getting coolant and some parts aren't... and this could allow a 3/4 reading on the temp guage while parts of your engine are much, much hotter.