[s-cars] Turbo to Exhaust manifold studs

[John Cody Forbes]

You need to thread the stud in by means much more powerful than your fingers. The usual method is to put two spare non-locking nuts on it and lock them together. Then you can thread it in with a wrench and remove the nuts when done.

-Cody (mobile)

On Oct 9, 2010, at 3:17 PM, <manuelsanchez at starpower.net> wrote:

> Brian,
> 
> It's one of the top studs, closest to the front/radiator. I can get to it from underneath, after removing the horn assembly.
> 
> It's possible I did not receive the correct part, the stud I have is 1-1/2 inches (38mm) in overall length. The shortest part of the threaded portion is 1/2" (13mm) in length before it reaches the non threaded shoulder.
> 
> When I insert the stub finger tight, it sticks out further than the other three. I just don't know if it's the correct stud length, but I am unable to thread it enough, or if I have it threaded in all the way but it's overall length is too long. I don't want to cut it for fear that if it is the correct overall length then I've boogered the only spare I have.
> 
> Here's hoping someone knows the proper stud length for a RS2 turbo to RS2 Exhaust Manifold length.
> 
> Thanks for your help.
> 
> Regards,
> 
> Manny
> 95.5 urS6 Avant
> 
> It would be great to know what the 
> 
> ---- Original message ----
>> Date: Sat, 9 Oct 2010 14:10:28 -0400
>> From: brian hoeft <qweblog at gmail.com>  
>> Subject: Re: [s-cars] Turbo to Exhaust manifold studs  
>> To: manuelsanchez at starpower.net
>> Cc: s-car-list at audifans.com
>> 
>>  Hi Manny,
>> 
>>  I thought those studs (or just the last ones I
>>  replaced) were all threaded shank but generally the
>>  shorter, threaded section of studs go into the
>>  internally threaded section of whatever, leaving the
>>  longer threaded section for the attachment (in this
>>  case a turbo) and lock nuts.
>> 
>>  As for the lock nuts, they are just that, lock nuts,
>>  and wont thread past a few threads because that's
>>  how it deforms while locking into place.
>> 
>>  Hopefully it was one of the 2 lower studs, otherwise
>>  its gona be a bit difficult to turn them in snug.
>>  Snug for these, for me, is turning them till they
>>  stop with a good amount of wrist strength, not
>>  forearm tight. But if you are using the 2 nut
>>  method, it will only allow so much before they spin
>>  together, thats usually tight enough. And I still
>>  use thread sealer..
>> 
>>  -Brian
>> 
>>  .
>> 
>>  On Sat, Oct 9, 2010 at 12:21 PM,
>>  <manuelsanchez at starpower.net> wrote:
>> 
>>    Fellow S-heads,
>> 
>>    One of the 4 turbo to exhaust manifold studs has
>>    worked its way out. I have a new replacement in
>>    hand but wanted to confirm with those wiser than
>>    me that the end of the stud that goes in first is
>>    the end that is closer to the unthreaded
>>    "shoulder". This untrheaded portion looks like
>>    that small section of worm thats a bit thicker
>>    than the rest of it.
>> 
>>    Never having installed one of these I was
>>    wondering what the orientation should be and how
>>    far in the stud should thread into the exhaust
>>    manifold before I know its in far enough. It does
>>    not seem to bite into too many threads before I
>>    stop threading it in by hand...wondering if this
>>    is normal.
>> 
>>    The copper nut also seems to only thread onto the
>>    stud for a short portion when threading by hand. I
>>    was also wondering if that is by design, so that
>>    when I put a wrench on it finally the nut will
>>    thread the stud further into the manifold.
>> 
>>    Thanks.
>> 
>>    Manny (95.5 urS6 - front suspension finally
>>    installed)
>>    _______________________________________________
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>> 
>>  --
>>  http://208.53.138.125:8068/
>>   [blinders off&earplugs out]
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