[Vwdiesel] insulating you're fuel filter (fwd)

[Val Christian]

Forwarded message:
> ...
> The water trap under the car beside the right rear wheel, make sure it does
> not contain a large ice cube.

	Fuel should flow.  If not then water is blocking.  These valves 
	tend to break in warm WX.  I've always been afraid to check it
	in cold.  The plastic gets brittle with age.

> 
> The intake in the fuel tank has a fairly fine screen in it that wax could plug.
> (the fuel line bubble test)

	Blowing compressed air into the tank from the fuel filter input 
	may help free a clog.  Done that.


	Val

> 
> I had a problem many years ago with my MB 200D on a cold winter night. It
> had a screen type pre-filter to take out the lumps before the big filter. It
> was down on the frame where it could never get heat from the engine. I was
> burning furnace fuel at the time. The car slowed down and idled like your
> experience. I removed the screen filter and it was a white blob of wax.
> Pouring hot water on it got me back home.
> 
> As and experiment, pour hot water over your filter when it appears to plug
> up and if this clears the problem for a few minutes,  I suggest you empty
> your fuel tank into a couple of 5 gal jugs and save it for summer, then
> refill with good winterized diesel.
> 
> I don't think you can dope, dilute, treat, the stuff you have in there now.
> 
> I suspect you have been sold a load of furnace fuel, which, although
> acceptable diesel fuel in summer,  is not treated for winter conditions, and
> may have, infact, been summer furnace fuel.
> 
> I have seen oil furnaces attached to outdoor supply tanks quit in this kind
> of weather around here.
> 
> Sandy
> 
> As and aside, I checked a couple of jugs of my used canola this morning,
> still quite fluid at -20C. Maybe I'll get going on the dual system as soon
> as I change the head gasket in goldie.
> 
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