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Old 07-06-2014, 09:35 PM   #1
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Cracked block

Ok i have a real problem. I was pouring fluid in my radiator and wants letting it fill the block. Then came out the next morning and opened the oil pan drain plug and coolant came out the back sump of the oil pan. I got a 351w. Need help asap please


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Old 07-06-2014, 10:54 PM   #2
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Well that really sucks!

I don't know what to say other than you're going to have to figure out how the coolant is making it's way into the crankcase.
The intake manifold gaskets, cracked intake manifold, head gaskets, cracked head, or, the worst case, a cracked block, any one of those could be the cause of the leak.
You'll have to do some disassembly and a little detective work to find the problem.

Most of the time the problem is due to a bad gasket.
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Old 07-06-2014, 10:56 PM   #3
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It couldnt be the gasket since I haven't ran it correct?

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Old 07-06-2014, 11:01 PM   #4
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Is this a brand new engine?
Can you fill me in on the history of this?
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Old 07-06-2014, 11:14 PM   #5
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It is a remaned block to be a 408 ran for like 15 min and coolant started mixing with oil

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Old 07-06-2014, 11:17 PM   #6
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Ive replaced the head gasket like 4 times and I cant keep oil and coolant apart

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Old 07-06-2014, 11:51 PM   #7
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It sounds like something is cracked or warped then.
You're going to have to take it apart for a fifth time and maybe remove the engine and go over EVERYTHING, this time, with a "fine toothed comb" until you find where the coolant is leaking from.
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Old 07-09-2014, 04:25 AM   #8
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Sounds like a gasket issue and possibly a warped head issue but like he said I'd take it out and go over it again
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