Is this head cracked?
#2
Re: Is this head cracked?
Coolant in the oil and a massive crack that can be seen with the naked eye and you need to ask if it's cracked?
#5
Re: Is this head cracked?
I just asked guys because I'm no expert. I tore it apart because I wanted to see if the headgasket was blown. But it also looked like someone surfaced the bottom of this head with a brick. So new head, I guess.
#6
Re: Is this head cracked?
The suggestion of pressuring the coolant system is a good one. You will likely see the coolant coming out of that crack to verify beyond any doubt.
The cracks that are unsure of are the microscopic ones you can't see without magneflux dying the head heads or block. Being an aluminum head and block, it's a special dye used to isolate cracks.
In your case, don't need to go through that process as you can see it with the naked eye. And it's so large, pressuring the coolant should easily confirm.
Better luck with your next head.
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#8
Honda-Tech Member
Re: Is this head cracked?
Actually... That passage that is cracked is for oil, not coolant. I just looked at one and removed the rocker arm base (?) with a 17mm. It does in fact appear to be cracked, but your coolant is coming from somewhere else...
#9
Re: Is this head cracked?
He's cracked on the intake and the exhaust channel, is both sides for oil?
#10
Honda-Tech Member
Re: Is this head cracked?
That's what it looks like to me. Those oil galleys appear to feed the ball part of the rocker arm. After realizing that, there's no reason for coolant to be that high in the head. Definitely an oil passage.
#11
Re: Is this head cracked?
Hey guys. The coolant in the oil is from this: i dont think the crack caused this.
[IMG]https://cimg3.ibsrv.net/gimg/honda-tech.com-vbulletin/2000x1504/80-20160612_163855_c7a5144e8ff7f825c094032e08c4c0e1e8 03f2c9.jpg[/IMG
]
It also looked like whoever had this car before me surfaced this head with a god damn brick. All 4 cylinders were blown and a couple coolant passages were blown. The scratches were so deep you could take your nails across them and hear it. And im also located in Maryland.
[IMG]https://cimg3.ibsrv.net/gimg/honda-tech.com-vbulletin/2000x1504/80-20160612_163855_c7a5144e8ff7f825c094032e08c4c0e1e8 03f2c9.jpg[/IMG
]
It also looked like whoever had this car before me surfaced this head with a god damn brick. All 4 cylinders were blown and a couple coolant passages were blown. The scratches were so deep you could take your nails across them and hear it. And im also located in Maryland.
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