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herkster Samba Member
Joined: February 14, 2013 Posts: 428 Location: Boca Raton, FL
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Posted: Sun Jan 26, 2014 10:13 am Post subject: Steering rag joint donut torque specs. |
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Hi All,
What is the proper torque for the steering rag joint / donut on both the steering shaft input (from the steering box) and output to the steering shaft (to the driver) as well as the donut itself?
While we are at it what is the proper torque for the pedal assembly to the tunnel and Master cylinder to the chassis?
Can I find these somewhere? I did a search but didn't seem to hit it.
Thanks,
Herk |
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didget69 Samba Member
Joined: July 22, 2004 Posts: 4927 Location: Raleigh, North Carolina
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Posted: Sun Jan 26, 2014 5:20 pm Post subject: |
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Short of finding an exact spec in a VW manual, you could look into recommended bolt torque specs based on bolt size & tensile rating... for example:
http://www.dansmc.com/torque_chart.htm
http://www.cncexpo.com/MetricBoltTorque.aspx
bnc _________________ I never found the need to impress people with any mechanic certifications, trophies or track wins... unless it was for Mom to post on the refrigerator door. |
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Glenn Mr. 010
Joined: December 25, 2001 Posts: 76902 Location: Sneaking up behind you
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herkster Samba Member
Joined: February 14, 2013 Posts: 428 Location: Boca Raton, FL
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Posted: Sun Jan 26, 2014 8:45 pm Post subject: |
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thanks! |
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manxdavid Samba Member
Joined: November 24, 2003 Posts: 1841 Location: David Jones, Anglesey, North Wales, UK. Manxclub #678.
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Posted: Mon Jan 27, 2014 6:33 am Post subject: |
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TBH I've never ever used a torque wrench when working on VWs. There are only 4 basic torques: just nipped, just tight enough, quite tight and really bl**dy tight... |
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herkster Samba Member
Joined: February 14, 2013 Posts: 428 Location: Boca Raton, FL
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Posted: Mon Jan 27, 2014 7:20 am Post subject: |
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David,
I agree but coming form working on aircraft i just want it right too. I don't want any unknown issues popping up after completing the build. It seemingly complicated enough with all the changes we have accomplished. |
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Vanapplebomb Samba Member
Joined: November 03, 2010 Posts: 5409 Location: Holland, MI
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Posted: Mon Jan 27, 2014 9:31 am Post subject: |
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When there is no torque specified, I usually just tighten 8mm class 10.9 bolts to around 20-25ftlbs. That is what all the stuff on my steering box is...
_________________ 1800 Type 4 Berrien 295
http://www.thesamba.com/vw/forum/viewtopic.php?t=487021 |
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didget69 Samba Member
Joined: July 22, 2004 Posts: 4927 Location: Raleigh, North Carolina
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Posted: Mon Jan 27, 2014 8:21 pm Post subject: |
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Vanapplebomb wrote: |
When there is no torque specified, I usually just tighten 8mm class 10.9 bolts to around 20-25ftlbs. That is what all the stuff on my steering box is...
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And, as I posted - at 25ft/lb, you'd be on the high end (recommended 24ft/lb.) of the dry torque spec for an 8mm 10.9 grade bolt...
There is no magic to torque specs for bolts. Engineering charts for bolt specs can be your friend in a pinch.
Or - as an alternative: an old machinist I worked with in the late Eighties used to say "tighten the p*ss out of it & go a quarter turn more", regardless of bolt size/grade/thread... all jokingly stated, of course.
bnc _________________ I never found the need to impress people with any mechanic certifications, trophies or track wins... unless it was for Mom to post on the refrigerator door. |
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Vanapplebomb Samba Member
Joined: November 03, 2010 Posts: 5409 Location: Holland, MI
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Posted: Mon Jan 27, 2014 9:33 pm Post subject: |
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didget69 wrote: |
Or - as an alternative: an old machinist I worked with in the late Eighties used to say "tighten the p*ss out of it & go a quarter turn more", regardless of bolt size/grade/thread... all jokingly stated, of course.
bnc |
Funny story from a few years ago...I really underestimated how tight I was tightening a bolt by hand. Needless to say, I ended up with a wonderful looking bullseye on my forehead. The welt took three days to go down. Scared the living crap out of me when the bolt snapped. Now I never crank down bolts hard without safety glasses. _________________ 1800 Type 4 Berrien 295
http://www.thesamba.com/vw/forum/viewtopic.php?t=487021 |
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manxdavid Samba Member
Joined: November 24, 2003 Posts: 1841 Location: David Jones, Anglesey, North Wales, UK. Manxclub #678.
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Posted: Mon Jan 27, 2014 11:51 pm Post subject: |
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Vanapplebomb wrote: |
When there is no torque specified, I usually just tighten 8mm class 10.9 bolts to around 20-25ftlbs. That is what all the stuff on my steering box is...
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Those bolts are too short friend, they don't extend far enough into the nylon locking disc. There should be one full thread extending out of the nut for it to do its job correctly. |
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