Need HELP ASAP

1989 ISUZU TROOPER
6 CYL • 4WD • MANUAL
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MASSAGELING
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I found a bolt hole on the block and I don't know what should be in it. I have changed the head gaskets and there is still a leak from the back corner on the drivers side. When I took off the tire and the exhaust manifold flange I saw the bolt hole and it look like that is where the leak is coming from. I'm not sure how to fix it.


Apr 3, 2011 at 1:23 AM
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MERLIN2021
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where is the hole? back side to tranny, or side near fender, or what? maybe you could post a picture?
Apr 3, 2011 at 1:30 AM
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MASSAGELING
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The bolt hole is on the side of the block... above the starter and just behind the rear down tube of the exaust manifold... it looks almost like you would mount something there... but I have no clue.... I didn't take anything out of it... but it looks as thought something was there...(clean inner threads and suface area)... I will get a pic up soon...
Apr 3, 2011 at 1:51 AM
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MASSAGELING
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So here are some pictures... first on is from driver front fender... second is from the wheel well... the shiney bolt it where I am talking about... the isn't the right bolt for the hole....just something to mark the hole...
Images (Click to enlarge)
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Apr 3, 2011 at 2:00 AM
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MERLIN2021
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Oil pressure switch? Is it oil or antifreeze leaking out?
Apr 3, 2011 at 11:25 PM
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MASSAGELING
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definetley antifreeze.... It leaks from above the starter... and behind the exaust manifold... I dont think it's the head gasket... I had the head resurfaced and put on clean with new gasket and bolts...
Apr 4, 2011 at 12:32 AM
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MERLIN2021
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could have been just an npt plug. its a pipe thread plug.
Apr 4, 2011 at 9:05 AM