newbie form pa with a crazy coolant leak!! - Page 2 - JeepForum.com
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post #16 of 27 Old 04-13-2010, 05:12 AM Thread Starter
DonCisco91
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1988 YJ Wrangler 
 
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I read these cracks are more common on boat engines..
I kinda don't want to sell the Jeep though so i hope I can get it fixed...

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post #17 of 27 Old 04-13-2010, 05:23 AM
fitbmxseries1
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engine swap! try car-part.com and search for a local yard with an engine they are pretty cheap and abundant in my area. this is the easiest vehicle in my opinion to replace the engine
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post #18 of 27 Old 04-13-2010, 06:17 AM
dodger889
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You can get it fixed that will last the rest of the life time of the engine. You just have to find the right shop to get it done in. That is what is called a foundry crack. In today's world there are not many of the old guys that can do this type of work. But check in a diesel mechanical shop where they work on semis they might know of someone who still does this type of repairs. Or check with a restorer of old cars, pre1960's, they might should know too. For some of their work would be on engines that can not be found any more that need the casting work done to then.

That is on of the old arts that has been almost lost now days. But there are a few out there that can fix it just takes sometime to find them.

A 89 yj with a 4.0 aw4 sye out of an 92xj. Now the hard part is done time to get it up in the air just a bit. Working on 8.8 with 3.73 and lsd for the rear. and new D30 hp with 3.73 .
For those who have not figured this out I'm old school but can handle the new too.
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post #19 of 27 Old 04-13-2010, 06:25 AM
FairlanePhil
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if you end up getting it welded look for a compitant shop by asking on this forum

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there will likely be a guy on there who will know of a shop near you.
They usually V out the crack and sometimes have to furnace heat the block then braze.

I had a shop in Toledo fix a small crack in my lifter gallery, they stick welded it. Some day Ill pull off my intake but I prefer living in denial

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post #20 of 27 Old 04-13-2010, 06:54 AM Thread Starter
DonCisco91
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Cool, thanx for the suggestions. I guess i would have to price out what it would cost to get welded or if its better to do a swap.
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post #21 of 27 Old 04-13-2010, 10:11 AM
matko25
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go to a dirtbike shop and say you broke your case and you want this epoxy stuff by moose. my friend used it to fix his case and it actually has metal in it. it is made by moose racing i would say that would work
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post #22 of 27 Old 04-13-2010, 10:21 AM
bharris68
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Metal Stitching is not that expensive, though it is involved. In effect the crack is drilled out and pins are drilled into the crack to replace the metal lost in drilling. Metal Stitching

I'd be cautious about troweling anything inside the block but "Stop Leak" of some sort should be effective on a hairline crack like that, IMO.
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post #23 of 27 Old 04-13-2010, 10:35 AM
matko25
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Moose Racing 2010 it is called quick steel epoxy and is safe to use on steel and aluminum
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post #24 of 27 Old 04-13-2010, 10:37 AM
matko25
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actually just google quick steel epoxy and it gives you a ton of them and to apply them. i would try that first
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post #25 of 27 Old 04-13-2010, 11:17 AM
Fernando
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use JB Weld to fix it, I fixed a crack in a block with that and it holds to this day, and it was way more ugly than that one.


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post #26 of 27 Old 04-13-2010, 11:37 AM
SloppyJoseph
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I fixed a crack in my case on my CRF450R dirtbike with some JB weld. It threw the chain and cracked the case. It wasn't 100% but it was damn close. And it worked for over 2 years before I sold it. As far as I know it still is holding up.
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post #27 of 27 Old 04-13-2010, 11:44 AM Thread Starter
DonCisco91
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That jb weld stuff seems to do wonders. It may work even better if i can seal the crack from the inside by taking the water pump off. I will for sure try that.
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