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Stripped threads on transmission mount
I have a potential problem with my 70-911E which occurred when I dropped my engine. The mount for the right side transmission support bolt is partially stripped. The bolt, is an M12 x 1.5 and appears OK. It was tough to take out and there was metal in the bolt threads. I used a tap and die to clean up threads in the mount and on the bolt. Before I put it back together I put the bolt in to determine how much thread was holding, about 8-9 mm. When I put it back together it bolted up tight and holds OK. So far so good.
Now I want to replace the complete transmission support bar because the mounts are non replaceable. I have found a replacement in good condition. My fear is that when I remove the bolt again that it may further damage the threads and not hold when replaced. If I strip out the mount what are the options, please tell me a helicoil will do the job.
Right now I’m not doing anything until I know how to handle this situation should it arise.
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