[Vwdiesel] insulating you're fuel filter

Derek weasel1 at sympatico.ca
Thu Jan 20 12:13:09 EST 2005


Part of the reason I had the inline heater plumbed before the injection pump
was so that I would share the heater with the diesel and the veg oil.  If
replumbing the heater doesn't work, I guess its off to the sender I go ...

----- Original Message -----
From: "Hayden Chasteen" <dieseltdi at verizon.net>
To: "Derek" <weasel1 at sympatico.ca>
Sent: Thursday, January 20, 2005 10:36 AM
Subject: Re: [Vwdiesel] insulating you're fuel filter


> Derek, your fuel warmer should always be BEFORE the filter.  It is the
> filter that gets clogged with the crystals of wax that form when fuel
> "gells".  You may also want to check in the tank itself.  I don't remember
> what car you said this was in but many (especially the new TDIs) have a
> screen on the pickup in the tank.  If this screen gets clogged, you get no
> fuel.  You might want to remove the fuel sender assembly from the tank and
> clean the screen on the end of the pickup or, as many have done, simply
> remove it.  Hayden
> ----- Original Message -----
> From: "Derek" <weasel1 at sympatico.ca>
> To: <vwdiesel at vwfans.com>
> Sent: Thursday, January 20, 2005 9:30 AM
> Subject: Re: [Vwdiesel] insulating you're fuel filter
>
>
> > Well, looks like  still have a problem.  Gallon of gas/kerosene didn't
> work.
> > The sad part is that this fuel was treated with additives when it was
> filled
> > and  about twice after, so its not like there is not enough in there ...
> > Poor car barely made it 5 min from the house.  Yesterday it was fine,
but
> it
> > was warmer.  Guess today I'll go get some fuel line and re-arrange my
> heater
> > until the winters over.  And to think I was looking for something to do
> when
> > its -20C ...
> >
> >
> > ----- Original Message -----
> > From: "Val Christian" <val at swamps.roc.ny.us>
> > To: "Derek" <weasel1 at sympatico.ca>
> > Sent: Thursday, January 20, 2005 6:33 AM
> > Subject: Re: [Vwdiesel] insulating you're fuel filter
> >
> >
> > > You definitely want the heat BEFORE the filter.  When you have fuel
> > clouding,
> > > it clogs the filter.  A new filter can be clogged in minutes, before
you
> > > could even get home.
> > >
> > > Alternatives to heaters include treating the fuel, inertial
separators,
> > etc.
> > >
> > > Val
> > >
> > >
> > >
> > > >
> > > > I am not so worried about the tank and the lines, things can get
> rather
> > > > thick and still pump.  What I am worried about is having to go
rescue
> my
> > > > wife again on the side of the road.  I am convinced that it was my
> > filter
> > > > that was starting to plug ( it is brand new btw ).  I have my inline
> > heater
> > > > plumbed so that it heats the fuel before it goes into the injection
> > pump.
> > > > The heater was a supplemental unit that I had while I was using WVO.
> My
> > > > thinking is that the fuel would be more than warm enough to the
point
> > where
> > > > that little plastic diverter valve sends all the fuel back to the
tank
> > and
> > > > didn't recirculate enough to unthaw the filter.  I haven't had this
> > problem
> > > > before and I have been using this heater for quite some time now.
For
> > all I
> > > > know this is a one time thing with a bad load of fuel.  I am just
> trying
> > to
> > > > think of a way to prevent future occurrences.  I do have an electric
> > > > VegTherm heater, but I think that may be a bit of overkill.
> > > >
> > > > P.S. Idling the car on the side of the road did help thaw the
filter,
> > but is
> > > > was a long drive home.  I kept having to stop over and over again
> > because I
> > > > couldn't maintain full power at all.  The gas/kerosene/additive and
> > being in
> > > > a heated garage helped enormously.  No issues so far ( knock on wood
> > !! )
> > > >
> > > > ----- Original Message -----
> > > > From: <LBaird119 at aol.com>
> > > > To: <vwdiesel at vwfans.com>
> > > > Sent: Wednesday, January 19, 2005 7:03 PM
> > > > Subject: Re: [Vwdiesel] insulating you're fuel filter
> > > >
> > > >
> > > > >   The problem with the aforementioned insulating the fuel tank is
> > heat.
> > > > > Insulation
> > > > > only slows the migration of heat to cold.  Simply insulating the
> tank
> > > > won't
> > > > > work
> > > > > unless you have a way to heat the fuel in it continuously or
first.
> > Then
> > > > you
> > > > >
> > > > > have the lines so you need to insulate them, fuel filter, pump,
> return
> > > > > lines...
> > > > > Sure you pick up heat from the pump but at subzero temps how far
do
> > you
> > > > > think that goes?  I seriously doubt it makes it much over halfway
to
> > the
> > > > > tank.  :-(  Heating the fuel filter is fine unless your fuel is
> thick
> > > > enough
> > > > > it won't come out of the tank or at least plugs the inlet.  The
> little
> > > > > plastic
> > > > > thing is simple and works well when it works but still won't
> > compensate
> > > > > for really gelled fuel.
> > > > >   A -20F tank of #2 is no less viscous than an insulated tank
> of -20F
> > > > fuel.
> > > > > ;-)
> > > > >      Loren
> > > > > _______________________________________________
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> > > >
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> > >
> > >
> >
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