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Old Sun 20th December 2015, 12:54 PM
JP147 JP147 is offline
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Easy fix for stripped exhaust stud holes

I tried this way of fixing it and it seems to work fine.

A stripped hole is around 10mm, which is the drill size for an M12 thread. I cleaned the hole with a 10mm drill bit, then tapped it to M12 x 1.75.

Then I got an M12 bolt from Bunnings and cut the shank off (I cut it a bit short but that is ok).

I tightened it up with double nuts and then used a die grinder to very slightly enlarge the hole on the exhaust flange so it is easier to put on.





Looks like it will last and won't end up destroying the hole like helicoils do.
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Old Sun 20th December 2015, 06:39 PM
henpecked henpecked is offline
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good work and post.
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Old Sun 20th December 2015, 09:01 PM
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TOONGA TOONGA is offline
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Nice fix if you are unhappy with the length of the new stud get a longer bolt... did you use loctite on the threads?

TOONGA
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Old Mon 21st December 2015, 09:43 AM
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Quote:
Originally Posted by TOONGA View Post
Nice fix if you are unhappy with the length of the new stud get a longer bolt... did you use loctite on the threads?

TOONGA
The bolt was plenty long, I just cut it a bit short. Still long enough to do the job, the nut was fully on the thread. I used some loctite on the part going into the head.
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Old Tue 22nd December 2015, 07:40 PM
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Phizinza Phizinza is offline
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Awesome liking the new exhaust now?
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Old Fri 25th December 2015, 03:01 PM
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Quote:
Originally Posted by Phizinza View Post
Awesome liking the new exhaust now?
Yeah, it has a nice Subaru sound to it. Probably will bend the mounts a bit to keep it further away from the tailshaft but it is good for now.
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