Following this topic...

I wonder if there's any benefit or or problem if I put another canister
fuel filter (same as the one downstream) upstream of the fuel pump?

I was thinking of a smaller one but then a smaller maybe too restrictive?

thanks

On Sun, Apr 4, 2021 at 11:27 AM Richard Koerner <rjkinpb@sbcglobal.net>
wrote:

>  I had this issue once; whining fuel pump.  Horrible performance at higher
> elevations and higher ambient temperatures.  Totally ruined a Colorado trip
> in summer.  Dennis H. immediately diagnosed.  Replaced fuel tank.  All good.
> But.....now just spitballing here, pure conjecture....what about removing
> screen on outlet of fuel tank and adding a pre-fuel-pump filter?  Why did
> VW put this screen into Fuel Tank?  I guess they never thought these bricks
> would be running over 30+ years.
> I mean of course you don't want rust and crud traveling downline to
> injectors, causing even more misery.  In my understanding on my 85, they
> used a little clear plastic filter prior to the fuel pump, but I thought
> this was mostly to trap stuff following assembly of vehicle.  VW later
> deleted this pre-filter.
> Just wondering your thoughts and experience.  A Facebook Vanagon Owner
> recently posted of whining fuel pump.  Not that I would be brave enough to
> tackle removing the fuel tank outlet screen; no problems now, no need to
> attempt, probably won't be for another 30 years.  But just thinking through
> the scenarios.
> Rich
> San Diego
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