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Cylinder head trouble

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Old May 28, 2017 | 01:42 PM
  #1  
2manytickets's Avatar
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Cylinder head trouble

I purchased a truck that I should have let die but I'm in so deep that I need to fix it and I now need help. The manifold studs on the DS snapped and will not budge. I need to pull the head to drill these out but the head bolts on the outside of the valve cover and in touch shape. I can see that the inner bolts are 15mm in size. Are the outer bolts a different size? Nothing I try seems to fit. Its a 2000 7.3. Any help is appreilciated.
 
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Old May 28, 2017 | 02:45 PM
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They're 15MM as well have you cleaned them good? You can try a 5/8 socket and see if it fits tighter.
 
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Old May 28, 2017 | 05:57 PM
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These are corroded badly. I could legit fit a 1/2 on one. any ideas for getting it off? Could I cut the head of the bolts on the outside and slide the head over the remaining part of the bolt?
​​
 
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Old May 28, 2017 | 06:11 PM
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It's going to be hard, the driver side has that rear most head bolt that you are not going to be able to cut, the rest can be cut. I suggest you either leave them soaking in some sort of penetrating lube or use a torch to heat them up and see if they come loose other than that, I'm positive the only way would be engine removal.
 
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Old May 28, 2017 | 07:02 PM
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Originally Posted by 2manytickets
These are corroded badly. I could legit fit a 1/2 on one. any ideas for getting it off? Could I cut the head of the bolts on the outside and slide the head over the remaining part of the bolt?
​​
If you have access to a welder, you could try to weld a new nut on top of the bolt head. Weld down through the center of the nut. I've had good success using this method on rounded/corroded bolts.
 
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