'89 Audi 200TQ Stripped O2 sensor boss

[John Larson]

No problem, Jim!  I just wanted to see to it the messages went to the right 
people!  And of course, a bit of anti-seize (which comes on the Bosch O2 
sensors) is a must.  John
----- Original Message ----- 
From: "Jim Jordan" <capnkidd at sbcglobal.net>
To: "'Jim Dupree'" <jdupree914 at sbcglobal.net>; "'John Larson'" 
<j.d.larson at verizon.net>; <brett at cloud9.net>; <Sonar465 at aol.com>; 
<quattro at audifans.com>
Sent: Thursday, June 30, 2005 6:35 PM
Subject: RE: '89 Audi 200TQ Stripped O2 sensor boss


> Hi Everyone,
>
> I misdirected my last post to John Larson who was giving advice not 
> seeking
> it.  Nevertheless, put some anti seize on the threads when you finally
> decide how to fix the threads.
>
> My apologies to John and the list for making that mistake.
>
> Cheers!
>
> Jim Jordan
>
> ----------------the misdirected post------------------------
> Hi John,
>
> However you get it fixed so you can reinstall the O2 sensor, be sure to 
> put
> some anti seize compound on the threads when you reinstall.
>
> Cheers!
>
> Jim Jordan
>
>
>>  -----Original Message-----
>>  From: Jim Dupree [mailto:jdupree914 at sbcglobal.net]
>>  Sent: Thursday, June 30, 2005 4:37 PM
>>  To: John Larson; brett at cloud9.net; Sonar465 at aol.com;
>>  quattro at audifans.com
>>  Subject: Re: '89 Audi 200TQ Stripped O2 sensor boss
>>
>>  I have had several over the years that looked really bad but
>>  I was able to run a tap thru what was left of the threads
>>  and they cleaned up OK. Not great but OK.
>>  I was skeptical that they would hold but the new O2
>>  tightened down OK and stayed put. I have also had to
>>  installed an insert into my old 4k (4cyl) manifold as there
>>  was not enough left of the original threads.
>>
>>  Good Luck
>>  Jim
>>
>>
>>  --- John Larson <j.d.larson at verizon.net> wrote:
>>
>>  > The discussion has gone thusly:   "well the O2
>>  > sensor came out along with
>>  > the threads in the exhaust manifold.  What can be done in
>>  this case,
>>  > do I need a new exhaust  manifold?  can it be retapped?
>>  >
>>  > Can't retap what isn't there, though I suppose you might
>>  be able to
>>  > helicoil it (no idea if expansion+contraction from the significant
>>  > heat cycles would affect it).  Finding an exhaust shop and
>>  having them
>>  > weld up a new bung would probably be cheaper, easier, and more
>>  > reliable in the long run."
>>  >
>>  > It's 18mm, same as some older Ford spark plugs.
>>  > Inserts, as well as
>>  > helicoils, are available, though you might have to find one of the
>>  > better (and older) automotive machine shops to do it.
>>  > Since this isn't an uncommon
>>  > problem, I'm sure you can find someone to fix it.  I do
>>  things like
>>  > that in-house, and on the car, and there must be other
>>  shops that do
>>  > that as well.  Worst case, you buy the appropriate kit and do it
>>  > yourself.  If that's the case, I'd look for an insert kit.
>>   Gonna be
>>  > far cheaper than a helicoil setup.  Welding a steel repair
>>  bung to a
>>  > cast iron manifold is out of the question, IMO.  John
>>  >
>>  > _______________________________________________
>>  > quattro mailing list
>>  > quattro at audifans.com
>>  > http://www.audifans.com/mailman/listinfo/quattro
>>  >
>>
>>
>>
>
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