it can be missing,
but remove the cap ..
look for a small 'edge' you can grab, and pull out the extension.

I don't find it that useful.
perhaps for just adding some oil, but for a full oil change...funnel baby.

----- Original Message -----
From: "Dave Mcneely" <mcneely4@COX.NET>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Friday, August 27, 2010 5:35 PM
Subject: Re: 2.1 L Oil filler tube needed

> ---- David Milo <dellaone@GMAIL.COM> wrote:
>> Hi folks,
>>
>> pulling out the oil filler extension tube that the po didn't know about.
>
> I don't really know about that extension tube.  I know the owner's book
> states that it is there, in the instructions for adding and for changing
> oil, but I can't tell that there is any extension tube as a part of the
> filler tube on my waterboxer.  I use a funnel.  Am I just mechanically
> impaired, or can the extension be missing?
>
> David McNeely