It has to go on first, and it takes some twisting and fiddling.  Install the pump and attach the pipe before you slip the hose over it.  I used silicone spray to make the hose move easily onto the pipes.

Stuart

-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of John Rodgers
Sent: Monday, September 28, 2015 2:09 PM
To: vanagon@GERRY.VANAGON.COM
Subject: Re: Water Pump Replacement -2.1 L WBX

Well, I've tried every way I know to pass the "U" shaped part of the cross over pipe under the crank pulley but no go. The old one came out easy enough, but I can't get the new one through.  Any suggestions?

John
On Sep 27, 2015 17:44, "John Rodgers" <jrodgers113@gmail.com> wrote:

> OK. Pump is out. New one ready to go in. To get the old pump out, I 
> Wound up sawing the coss over pipe off next to the pump because of a 
> bound up allen head screw. New cross over pipe ready to go. New rubber 
> hose already in place.
>
> Question: Which should go on first for ease of assembly. The water 
> pump, or the cross over pipe - the part that attaches to the pump.
>
> Thanks.
>
> John
>