A cheap solution for non-AC vans is out there.

http://www.thesamba.com/vw/forum/viewtopic.php?t=601997

About $70. Did it to my van great results and another.

- I'm a mobile Willie replies are shortened -

> On Jun 11, 2016, at 6:33 AM, Dennis Haynes <d23haynes57@HOTMAIL.COM> wrote:
> 
> Here is a link to some pictures for a fan replacement. It was difficult to
> find a fan that low profile, large diameter, easily mountable. I am working
> on putting this together as a kit. I would recommend that some type of heat
> insulation be installed on the firewall and floor area. This fan boasts
> 2,500 cfm at 17 amps. This the same current draw as the smaller fans used
> without AC or the earlier vans. Using the low speed resister of the later
> vans with AC the current draw is 12 amps and the medium speed brings it up
> to about 15. If you have the late/larger fan set up wiring is direct. Use
> what you have.
> 
> As a kit I am thinking around $220 for the later vans, $260 for the ones
> that will need a resistor and harness.
> 
> 
> 
> What do you folks think?
> 
> 
> 
> Dennis
> 
> 
> 
> 
> 
> https://onedrive.live.com/redir?resid=9B02084A888884A6!135680
> <https://onedrive.live.com/redir?resid=9B02084A888884A6!135680&authkey=!APvK
> t2BpmT0-I8o&ithint=folder%2cjpg>
> &authkey=!APvKt2BpmT0-I8o&ithint=folder%2cjpg