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Re: Re: Re: Re: Re: Re: Re: Re: Re: Should I worry
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Posted by Mark - IN. on July 14, 2004 at 18:24:17 from (205.188.116.201):
In Reply to: Re: Re: Re: Re: Re: Re: Re: Re: Should I worry abo posted by Steve on July 14, 2004 at 16:05:04:
Steve, if you drained the coolant, then filled the hole, and it went down 1/8" in about 2 hours, that's not exactly correct either. As some others said, check the head for one after you pull it, because it sure sounds as though you're going to have to pull it to make sure that it's not warped, and if it is warped, you're going to have to get it "decked" (machined) .005", .010", etc. until it's trued. Now, back to the coolant dropping an 1/8" over 2 hours. If that hole went into or passed through the cooling system as many do, there would be no mistake about it, and the water that you filled it with would go down quickly. However, since it decreased only a minor amount, it could very clearly indicate a small crack in the block that isn't showing up until the engine is heated and the cooling system is under pressure. How do you fix that? If it's just leaking into the bolt hole and nowhere else, maybe a good gasket and sealer around the bolt. Engine's not over heating? you didn't maybe mix up head bolts at first and then crank down on one before realizing was too long, before finding a/the correct shorter one, but not before cracking into the block at the bottom of the bolt hole? If so, you wouldn't be the first, and if so, maybe Lock-tite on the bolt threads will seal it, built if you ever have to take it apart again (with lock-tite on the bolt), you're going to be in for one tough day. In any event, sounds like the head's gonna have to come back off, and when it goes back on "use the correct bolt torque sequence, and appropriate torque pressure, both of which are specified".
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