my blog link does have some interesting diagrams of the tumblers FWIW.

bentley describes where to drill to punch out pin that holds lock barrel.

alistair

On 2012-02-01, at 2:27 PM, Jim Felder wrote:

> Thanks, Alistair. I know how to do the other locks, but not the ignition. I will check out the Bentley. Will have to remove all the piles of books from my table to make room for it, where I have other Bentleys open trying to figure out how to get the heater core out of my Jetta. %^$%&* Jetta.
> 
> You think a Vanagon dash is bad?
> 
> Jim
> 
> On Wed, Feb 1, 2012 at 3:15 PM, Alistair Bell <albell@shaw.ca> wrote:
> Jim,
> 
> i have some lock info here
> 
> http://shufti.wordpress.com/2010/03/05/lock-info/
> 
> 
> door locks, but might be useful in your quest.
> 
> But Bentley, 94.2 is good place to start fig 7 on 94.4 shows where to drill to remove cylinder
> 
> alistair
> 
> 
> On 2012-02-01, at 11:28 AM, Jim Felder wrote:
> 
> > Last week I wrote that I had a starting problem with the key sometimes not
> > starting the starter motor. I had a switch, and replaced it, but it still
> > happens (once in three days�not too bad but not fixed).
> >
> > I went into my stash of Vanagon parts and found the mechanical lock from a
> > 1990.
> >
> > Should I take the cylinder set out of my old one and put it in my new one,
> > or is it likely that the cylinder and brass tumblers are part of the
> > problem?
> >
> > I have an assortment of brand new tumblers. Should I match them up until
> > the "old" key works with the "new" lock?
> >
> > How do I get the tumbler out of the lock mechanism?
> >
> > Thanks,
> >
> > Jim
> 
>