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Door hinge bolt stuck

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Old Sep 15, 2019 | 01:47 PM
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Default Door hinge bolt stuck

1990 coupe w/ ZF6.

My driver side door is super screwy. For one, one of the detents (not sure if this is the right term, the little wheels that hold the door open in two positions) seems to have broken off at some point. Also, I noticed that the bottom-most hinge bolt was about halfway out. Both issues can be seen below (excuse the rushed Paint edit job).




I thought, no biggie, I'll just grab a wrench and cinch that bolt back up. Nope. Something was clearly off, as it would not go any tighter. I backed it out to see what was up, and a good chunk of threads came with it (looked like aluminum threads?). Strangely, it still threads back in quite easily to where it was previously stuck. The bolt is clearly angled upward (i.e. the head is lower than the tip) when I go to put it in, so I wonder if it might be crossthreaded. I loosened the rest of the hinge bolts in hopes that there was enough play to straighten things out, but no luck.

Any thoughts?
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Old Sep 15, 2019 | 04:15 PM
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Pick up a set of replacement Hinges they can be rebuilt but it can be a PITA and you are missing parts. I would get the hinges,I would find a way to support your door un-bolt your hinges thread Chase the treads from preferably inside the door out and hopefully there is enough left. If not tap a size or two larger

https://www.ebay.com/sch/i.html?_ssn...inge+&_sacat=0

Last edited by s carter; Sep 15, 2019 at 04:18 PM.
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Old Sep 15, 2019 | 06:28 PM
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I’v replaced several door hinges by opening the hood and leaving the doors closed. No chance of getting the door alignment out of whack. Sourced from Mirrock or Ebay.
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Old Sep 16, 2019 | 10:11 AM
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Originally Posted by s carter
Pick up a set of replacement Hinges they can be rebuilt but it can be a PITA and you are missing parts. I would get the hinges,I would find a way to support your door un-bolt your hinges thread Chase the treads from preferably inside the door out and hopefully there is enough left. If not tap a size or two larger

https://www.ebay.com/sch/i.html?_ssn...inge+&_sacat=0
Thanks. Do the hinge bolts go into some sort of plate or insert in the door that could be replaced if the threads are beyond repair?
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Old Sep 16, 2019 | 12:21 PM
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I believe its a plate bonded to door shell, I have only dealt with a few hinges and I don't recall the plates falling free
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