Downpipe problem - Subaru WRX Forum
 
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#1 Old 02-05-2006, 09:40 PM
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Downpipe problem

I installed a TXS TBE and the hard to reach downpipe-to-turbo bolt on the bottom seemed to have gotten cross threaded in. Its probably needs about 2-3 full turns to be flush with the downpipe and it will not go any further and the only reason I came up with was its cross threaded. I drove it and it seems fine, but I was just curious as to what your opinions are and what I should do to fix this problem. Thanks
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#2 Old 02-05-2006, 10:17 PM
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I think you are in luck. You can remove the bottom three studs from the turbo itself. Just back the nut off, remove the stud from the turbo itself, get a replacement stud and nut from Subaru and reinstall. You should be fine to drive it for a while, but I would fix it as soon as you get time. When you reinstall, thread the nut on by hand until you can anymore to make sure you don't cross thread it again.
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#3 Old 02-06-2006, 08:02 PM
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It's not one of the studs that sticks out of the turbo, its the stud that just screws into it with no nut. The thread on the inside of the hole that the bolt goes into the turbo is cross threaded.
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#4 Old 02-06-2006, 08:34 PM
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If all else fails, you can drill it out and tap new threads to a larger ID. Hope that helps

OCTOPARROT
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#5 Old 02-06-2006, 08:43 PM
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OCTOPARROT has the right idea, I'd just run a tap through it and use a new bolt from the dealership.

If you're not going to take it off anytime soon, you could also try putting a few washers on it and then tighten it up too. This is kind of a janky way to fix it, but if it's not coming off, what's the problem?

My car is well, it's like 10 lbs of shit in a 5 lb bag...

<------ Click to see what I'm workin' with. ;)
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#6 Old 02-06-2006, 10:36 PM
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If it's the same thing I'm thinking about, the new bolt and nut will cost you about 12 bucks (nuts, i know). Those bolts tend to crossthread (even when backing out) since they're so rusted and get damaged from all the heat from the turbo.

Jon
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#7 Old 02-07-2006, 03:49 AM
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So, is there a chance it will be prone to leaking?
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#8 Old 02-07-2006, 02:58 PM
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You'll probably be fine if it's just one bolt, but I'd replace it as a just in case thing... Why leave it off? That's like putting 4 lug nuts on your car because you don't want to go to the dealership just to get another one and asking if your wheel's going to fall off. No... but I still wouldn't do it.

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