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Old 04-09-2012, 08:56 AM
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Cracked Head - Need Some help

2002 7.3 235k miles
Check valve style vegi conversion

Alright, so I screwed up big time and cracked the head on the front passenger side fitting(Behind AC bracket) when I did my conversion. I was wondering if there is an alternative solution to pulling the head and replacing/welding it. The leak just showed up after about 6 months, and now its a steady drip, about every second or so. If this is my only alternative, what cost am I looking at? Any help would be greatly appeciated.

Thanks,
Nolan
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Old 04-09-2012, 10:15 AM
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JB weld is a marvelous thing.

I used it on my turbo pedestal when I gutted it
Pics here -- > http://wasteveggieoilexplorations.sh...ly.com/245#238

It is the ugliest nastiest back yard fix I've ever done, but after a yr or more it hasn't leaked.


Otherwise I'd call up a local repair shop and fix it the right way.
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Old 04-09-2012, 04:07 PM
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Quote:
Originally Posted by clackclack View Post
2002 7.3 235k miles
Check valve style vegi conversion

Alright, so I screwed up big time and cracked the head on the front passenger side fitting(Behind AC bracket) when I did my conversion. I was wondering if there is an alternative solution to pulling the head and replacing/welding it. The leak just showed up after about 6 months, and now its a steady drip, about every second or so. If this is my only alternative, what cost am I looking at? Any help would be greatly appeciated.

Thanks,
Nolan
Cracked the head? Is it leaking fuel or coolant?

Ther is a lot of material in the heads, I doubt highly screwing the male adapter into the head caused it to crack. If it were me, I would take a better look. I would think a cracked fitting, not a cracked head.

On edit:
There is a plug at the end of the fuel rail, sealed by an oring. You may have to pull the AC mounting bracket bolts to see it, but it is there. I have seen them sprout leaks. Be sure of where the leak is coming from, as I am assuming the leak is fuel.........

Last edited by vegginpsd; 04-09-2012 at 04:11 PM. Reason: additional content
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Old 04-10-2012, 04:45 AM
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Aaron, Wil it hold up to the temps and pressure?

Veggin- Its leaking diesel right now. I will try to post a picture this evening.

Thanks for the responses
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Old 04-10-2012, 04:48 AM
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The plug you are talking about, Is that the one that looks about an inch and a half in diameter? Or is it a smaller plug?
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Old 04-10-2012, 05:25 AM
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smaller plug
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Old 04-10-2012, 07:13 AM
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And this is a different plug than the test port that is used on the vegistroke style conversion?
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Old 04-10-2012, 08:13 AM
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Quote:
Originally Posted by clackclack View Post
And this is a different plug than the test port that is used on the vegistroke style conversion?
yes it is.
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Old 04-12-2012, 09:40 AM
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Here is a picture of the crack, it's a little out of focus. I put some JB weld on it, hoping that will fix it. Here's how the conversation went with the mechanic-
Me "What's this going to run to fix?"
Mechanic "Well. It's like open heart surgery."
Me "We talking a grand, or more like 3?"
Mechanic "3"
Me "...........Thanks for the good news." haha

I am pretty hopeful the jb weld will work, I know its not the best course of action, but for that kind of dough, I'll give it a shot.

I will let ya'll know how this plays out, and believe me I learned a valuable lesson from this.
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Old 04-12-2012, 11:16 AM
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DAMN, that sux. I'd think you can replace the head for a fraction of what he wanted, heck you can get a reman for that price. IF u can turn a wrench, remove it yourself, but plan to have a buddy help lift it out, cuz i hear them some heavy pigs. Take to machine shop, let them weld it for 50 buks, ground all smooth, pick it up, and set back on motor...
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