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Broken Engine Cross Member Bolt

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Old Feb 1, 2020 | 01:22 AM
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Default Broken Engine Cross Member Bolt

Looking for help or advice on the best was to remove a broken engine cross member bolt on a 66 mustang.

Last edited by RagHead; Feb 1, 2020 at 12:44 PM.
Old Feb 19, 2020 | 02:15 AM
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Originally Posted by RagHead
Looking for help or advice on the best was to remove a broken engine cross member bolt on a 66 mustang.
i have no idea.
i have one stuck. It will loosen 2 turns then locks up.. i wont take it oit because i know that bitch will break

Old Feb 20, 2020 | 11:43 PM
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Originally Posted by MonsterBilly
i have no idea.
i have one stuck. It will loosen 2 turns then locks up.. i wont take it oit because i know that bitch will break
If it will make 2 turns keep soaking it with penetrating oil and turning a little at a time, auto trans fluid works great also. My bolt was broke to far into the frame rail to weld to and using a left hand drill bit didn't get it out also. After working at it for a month with no luck I decided to cut out a section of the outer frame rail.


Marked section to cut

Drilled pilot holes

Final cut out

This is where I finished up today, will get back on it tomorrow.
Old Feb 23, 2020 | 08:27 PM
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Worked on getting the bolt out using some heat and a little help with a air hammer/chisel. Finally got it out without any damage to the frame rail, so it's off the tractor supply for a few nuts and bolts.




Old Feb 26, 2020 | 01:23 PM
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Yesterday I went to tractor supply with the cross member bolt form the other side to get the correct size nut and bolt.



Found some hardware that would work so it's back to work out the best way to fit everything, in the original mounting space by tacking the nut in the original space or tack the nut to a washer then the washer and nut over the original opening.



Will try a test mount of the cross member later to day to see which way is best.


Old Mar 4, 2020 | 06:59 PM
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While waiting on the new cross member bolts to come in I test mounted the cross member with the bolt from the other side to determine the best way to attach the nut to the frame rail, with the nut on top of a washer or in the pocket. After trying to mount it with the nut on top of the washer and the nut in the pocket of the frame rail it appears that mounting it in the pocket is the best option.



Now, just waiting to the new bolts to arrive.
Old Mar 16, 2020 | 03:51 PM
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Well I got my engine cross member bolts in last week and mounted the cross member before welding the nut in to be sure everything was a good fit.



After installing the cross member welded the nut to the frame rail



Removed the bolt and put a good coat of never seize on it and reinstalled. It's not the prettiest weld but I torqued it to 50 ft lbs. several times before a final torque of 60 ft lbs with no problems or breaks. After welding the plate back in.


Now to clean up the rest of the frame rail a little touch up paint and on to another project.
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