Date: Thu, 17 Jun 2010 09:38:40 -0500
Reply-To: Jim Felder <jim.felder@GMAIL.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Jim Felder <jim.felder@GMAIL.COM>
Subject: Re: noise SOLVED. Now need to Helix-Coil?
In-Reply-To: <AANLkTikjfbeOn5XyVp3qWbQvZAuNz62nv_UKlsqMVt3w@mail.gmail.com>
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If I remember correctly, four threads are all that is required to achieve
the rated strength of the bolt.
Jim
On Wed, Jun 16, 2010 at 8:33 PM, pickle vanagon <greenvanagon@gmail.com>wrote:
> Keen-sert probably would have been good too, but I did the helicoil
> installation today. That metal is thicker than it looks... a standard
> length M8 helicoil insert would fit (though I clipped one turn of mine just
> in case, because I misjudged the length).
>
>
> Now I have a 13mm bolt back in place and it holds tight.
>
> I was shocked at how easy this was. The whole job took 10 minutes, not
> counting the time to put the van on ramps to give myself more space to
> work. These inserts are impressive.
>
> Now I have 4 tight bolts back in place.
>
>
>
>
>
> On Wed, Jun 16, 2010 at 12:57 AM, Dennis Haynes <d23haynes57@hotmail.com
> >wrote:
>
> > That plate really is not a good candidate for a helix-coil, not thick
> > enough. A solid insert such as a keen-sert would be a better choice. You
> > can
> > also drill another hole close by and tap it for the 8mm thread. Be sure
> to
> > use the proper hardware here, PC 10.9 and those thick through hardened
> > washers were used for a reason.
> >
> > Dennis
> >
> > -----Original Message-----
> > From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf
> Of
> > pickle vanagon
> > Sent: Monday, June 14, 2010 8:46 PM
> > To: vanagon@GERRY.VANAGON.COM
> > Subject: noise SOLVED. Now need to Heli-Coil?
> >
> > Robert Fisher was right.
> >
> > Two of the transmission mount bolts weren't properly tightened.
> >
> > They weren't really loose, which is why when I was checking over
> everything
> > (I stared at that transmission mount at least 6 different times) but I
> > guess
> > there was a little bit of wiggle room for the mount to pivot diagonally
> > across the two looser screws. I think when I went to tighten them, I
> > mistook resistance related to rust and the weight of the transmission as
> > the
> > bolt cap tightening down all the way.
> >
> > But now I have a problem. One of the bolts, it seems, was made too
> tight.
> > Or maybe the threads were already trashed.
> >
> > So now my noise is gone but one of the four tranny mount bolt holes has
> > stripped out threads. Is a heli-coil the answer here? I've never had to
> > deal with this kind of situation before. Any help would be greatly(!!!)
> > appreciated. I guess I have to tap threads, and then insert the
> heli-coil?
> >
> > So, thanks to *everybody* that listened to my noise and gave me their
> > feedback. It could have been any of the things people suggested, and the
> > encouragement to check over everything was exactly what I needed.
> >
> > Thanks again!!
> >
> >
>
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