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    1992 Landcruiser Oil leak from hole drilled hole in head

    Your description depicts the issue I have with the Land Cruiser. It is interesting that Toyota does not having anything regarding this in their shop manual. I am going to fix in a manner similiar to what you have described. Thanks foryour description of the root cause of the problem. I...
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    1992 Landcruiser Oil leak from hole drilled hole in head

    IRLGW: The hole is in the head not the rocker cover. Frank, I have a full Toyota Service Manual on the LandCruiser and there is absolutely nothing in it regarding this hole. The problem with the new plug is not that it is pushing out like the first one, but that it is simply leaking oil by the...
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    1992 Landcruiser Oil leak from hole drilled hole in head

    Thanks Towpack and Shayne. I will order a couple plugs tomorrow and give it another try. Saturday, when I inserted the new plug, I did not thoroughly clean the oil from the wall of the hole. I will clean things up better, freeze the plug prior to insertion, insert the plug, let things come to...
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    1992 Landcruiser Oil leak from hole drilled hole in head

    Julian, the part I got from Toyota was not threaded and the hole is not threaded. There is some room to work, but probably not enough to rotate a tap. I will of course evaluate for sure, but I can barely get my hand in to place the aluminum plug. Shayne, thanks for researching and your...
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    1992 Landcruiser Oil leak from hole drilled hole in head

    Shane and Nivapilot, thanks for the response; the Toyota Part # is 90334-07009 with the description "Plug, Straight". I think I can get it out using a right angle drive Dremel, but it will be near impossible tapping threads in the cast iron head in the very tight work area. I believe I would...
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    1992 Landcruiser Oil leak from hole drilled hole in head

    I notice many have looked at the question but all without response. To be clear, on the right side of the head and in front and above # 5 spark plug, there exists a thru drilled hole of about 0.250" in diameter. Normally this hole is plugged with an aluminum plug. On my Landcruiser (92, 4...
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    1992 Landcruiser Oil leak from hole drilled hole in head

    Hello, I am new to this forum and more than likely this problem has been posted previously, but I could not fine it. I have a 1992 Landcruiser 4.0 liter. The small .250" diameter aluminum plug on the right side of the head, (located towards the rear of the head right in front and above #5...
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