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Y pipe Broken Stud?

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Old 12-11-2012, 08:13 PM
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Default Y pipe Broken Stud?

I've searched, searched, then searched some more for the GM part number for the exhaust stud that connections the Catalytic Convertor to Y pipe but have came up with only part numbers for the manifold studs. Does anyone have a clue what the part number is for the stud and nut that connects the Y-pipe? If so I'd truly appreciate it. Thanks!
Old 12-11-2012, 08:18 PM
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I'd just drill the hole out a little bigger where the stud threads in and go buy a bolt, nut, 2 washers, and a lock washer and it's fixed. Just make sure to put some anti-seize on the bolt threads before putting the nut on.

Last edited by 99Bluz28; 12-11-2012 at 08:30 PM.
Old 12-11-2012, 08:26 PM
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Actually that's how it's rigged up right now just have a bolt in place of the stud. I'm just a freak about repairing things back to look like factory, I drilled the stud out and the thread ended up coming out fine so I figured I'd put the factory stud back in if it's possible to get one.
Old 12-11-2012, 08:32 PM
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Try going to the parts counter at a local gm dealer, they can look it up.
That's what I do when I can't find the part # online.
If you end up leaving that bolt on long term I'd get some anti-seize, remove the bolt and coat the threads good, then re-install it. That way the threads shouldn't rust out.

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Old 12-11-2012, 08:39 PM
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Already tried that one at two local GM dealerships the studs are sold with the catalytic convertor cannot buy them separate. if you ask me, but I was hoping maybe there is a certain part number that's out there of the studs, that the parts diagram isn't showing.
Old 12-11-2012, 09:16 PM
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So what size is the bolt thread and the length of the other stud ?
If you can figure out the stud length, metric or standard, and size you can get a new stud to replace the broken gm one.



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