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1967 - 1972 F-100 & Larger F-Series Trucks Discuss the Bumpsides Ford Truck

Broken Exhaust Bolt

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Old Jun 7, 2017 | 07:32 PM
  #1  
pchelp's Avatar
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Broken Exhaust Bolt

Ok broke off two bolts in the head, any suggestions to removing them without an acetylene tourch or removing the head?
 
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Old Jun 7, 2017 | 10:48 PM
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Remove the head. It is the least headache!
 
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Old Jun 8, 2017 | 10:58 PM
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Some guys pull the fenders. Some cut the inner fender apron enough to get a straight shot to drill them out an replace with grate 8 bolts & nuts on the Exh. Manifold bolts.
Orich
 
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Old Jun 9, 2017 | 07:30 AM
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Originally Posted by orich
Some guy pull the fenders. Some cut the apron inner fender apron enough to get a straight shot to drill them out an replace with grate 8 bolts & nuts on the Exh. Manifold bolts.
Orich
It's irony that this happened when it did, since I planned to upgrade the master cylinder and power steering they will be the first to be removed to make room to start drilling.
 
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Old Jun 9, 2017 | 07:44 AM
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You can try to weld a nut to the broken bolt. This heats the stud and sometimes releases it and you can turn it out with the nut. Other than that, you need to drill and easy out it and that isn't fun on the truck.
 
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Old Jun 9, 2017 | 07:55 AM
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From: **** hole San Jose ca.
My father in-law at that time cut the inner fender apron where needed.
Then used a file to square off the broken stud head off the best he could.

Then center punched the two broke studs an drilled a small pilot hole then used a long 12"x3/8" drill bit.

Once finished he replaced the cut out pieces with a over lapping piece of sheet medal with screws an painted over the patched area

Orich.
 
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Old Jun 9, 2017 | 09:38 AM
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Originally Posted by fe390pc
You can try to weld a nut to the broken bolt. This heats the stud and sometimes releases it and you can turn it out with the nut. Other than that, you need to drill and easy out it and that isn't fun on the truck.
In a perfect world I would have a tig welder an acetylene torch, an engine hoist in my man cave. In reality, I have a compressor a set of hand tools and a propane torch LOL
 
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Old Jun 9, 2017 | 09:40 AM
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Originally Posted by orich
My father in-law at that time cut the inner fender apron where needed.
Then used a file to square off the broken stud head off the best he could.

Then center punched the two broke studs an drilled a small pilot hole then used a long 12"x3/8" drill bit.

Once finished he replaced the cut out pieces with a over lapping piece of sheet medal with screws an painted over the patched area

Orich.
I have ordered an offset drill and will tackle the broken bolt slowly and with tons of patience
 
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Old Jun 9, 2017 | 10:25 AM
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That is the best you can do. With time and patience you can get it done.
 
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Old Jun 9, 2017 | 03:28 PM
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On the left side, a right angle air drill is doable. The right side, not so pretty much fun. I have been known to drill the inner fender well and JB weld the hole.
 
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Old Jun 10, 2017 | 02:07 PM
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BUY EXPENSIVE COBALT DRILLS!!!!!
Get em from a professional tool supply.
 
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Old Jun 10, 2017 | 09:36 PM
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One down and the worst possible thing happened on the second. Had a good grip with the easy out and it snapped off inside the bolt. Now I am slowly trying to drill out the easy out ugh
 
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Old Jun 11, 2017 | 07:13 PM
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Originally Posted by Glens67
BUY EXPENSIVE COBALT DRILLS!!!!!
Get em from a professional tool supply.
Ever successfuly drill out an easy out ?
 
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Old Jun 11, 2017 | 07:47 PM
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I don't think you can. If you can see it, you might be able to get a punch on it and drive it clockwise to "unscrew" or disengage it. If you can't see the piece, you might be able to make some space around it with a dremel or small drill and pick it out. When you get it out, is the time to use a lot of heat...a LOT of heat and penetrating oil.
 
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Old Jun 12, 2017 | 12:40 AM
  #15  
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My recommendation is pull the heads now. Take them to a machine shop with an Electro Arc Metal Disintegrator and have them take the easy out, out.
Also remove the remaining broken bolts.
 
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