My educated guess is those are holes in the head that should not be there. What were they weeping? Should not be coolant there. Those areas inside the head are where the push rods for the valves come through, so it should be oil. I am going to say those are the ends of core wires from when the head was cast and they did not get placed in the correct location. Now they are leaking because the casting has a hole there. Should really be the end of a wire or rod in there. I would have to see the head with my own eyes to say for sure. Maybe some good pictures of the inside with the valve cover off may confirm or debunk my idea. I am in a bit of a hurry right now and I cannot find a good web result to link that would explain it. I did find one link that sort of gives an example of what I am talking about. In the link scroll down, until you see the bold words ..Core Material.. right above that in diagram ..h.. it shows a hanging core. In your case the core rod ends shifter and poked through the outside of the core. We will see if others agree with my theory. I believe they could be sealed with epoxy. (JB Weld) Remember I am calling this an educated guess. Other wise for the bubbling gasket trying to retorque would be my first steps.
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Today's Featured Article - Talk of the Town: How to Remove a Broken Bolt - by Staff. Another neat discussion from the Tractor Talk Discussion Forum. The discussion started out with the following post: "I have an aluminum steering gear housing with a bolt broken off in it. The bolt is about a 3/8" x 1 1/2" bolt. I've already drilled the center of the bolt out with about 7/64" drill bit the entire length of the bolt. Only one end of the bolt is visible. I tried to use an easy out but it wasn't budging and I didn't want t
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