Karl, your method is the best.  The inner ear is located within that bone.  mcneely

---- Karl Wolz <wolzphoto@Q.COM> wrote: 
> I actually get better sound transfer placing the end of the screwdriver
> against the the bone immediately behind my ear.  My hearing is pretty funky,
> so this may or may not be the case for you.
> 
> Karl Wolz
>  
>  
> 
> |-----Original Message-----
> |From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] 
> |On Behalf Of Chris S.
> |Sent: Tuesday, October 21, 2014 7:59 AM
> |To: vanagon@GERRY.VANAGON.COM
> |Subject: Re: 2.1 WBX Noise Is?
> |
> |Take loooong screwdriver, place the pointy end against water 
> |pump housing and put the handle firmly against your ear 
> |opening.  It will look and feel strange, but it will transmit 
> |noises directly from the housing. Then you can have a little 
> |more fun and try other areas of the engine block. 
> |
> |You can also remove the drive belts and start it up to quickly 
> |see if water pump, alternator or AC compressor, if present, 
> |are the culprit. 
> |
> |Chris.
> |
> |Wysłane z iPhone'a
> |
> |Dnia Oct 21, 2014 o godz. 2:15 Neil N <musomuso@GMAIL.COM> napisał(a):
> |

--
David McNeely