air in the injectors. Why? Prior to leaving for holidays, with B100 in
thetank, I had the valves adjusted,all filters changed and other
peripherals done by the MB mechanics at a VERY reputable dealer and they
included on the work order that the lines had been successfully bled. I then
left for holidays with a full tank of B100 and when that wa down to 1/4 tank
or a bit less I fueled at the dino pump and then spent two weeks running
around on that and then for the trip back I topped off on dino and when the
tank was at a bit less than 1/4 again I put in the 44 liters I had brought
along of B100 (which the engines loved and smoothed out immediately) and
this was all on the band new filters installed by the Mercedes people. I
continued running on those filters until this week, about a month's worth,
and then the problem started, so I figured it was the filter being clogged
by the residuals that the BD had removed, so I did a filter change myself.
It was fine for about 150Km or so and then the problem came back.NOT a
filter problem. By default, it is the lines and/or the tank having loosed
it's dino deposits and that has clogged the system.
Ergo, should anyone want to run B100 in an older car/truck it might be a
good idea to do the line/tank fluch thing BEFORE, avoiding the PITA
(PainInTheAnatomy) that I am going through. A wise man learns from his
mistakes, a wiser man yet learns from the mistakes of others :)
Stay tuned for more on this developing saga.
Luc
----- Original Message -----
From: "Legal Eagle" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, October 12, 2004 6:26 AM
Subject: Re: [Biofuel] Running on B100
Following another post (no subject) it could be that I have this all wrong
and that there is air trapped inside the injectors somewhere, although I
don't think so as I bled out the system with brand new filters, so, by
default, the problem is at the tank end (maybe?). I shall soon see as I am
having a Mercedes mechanic give it the twice over to determine EXACTLY
what the boo boo is, and I shall be posting the results.
I share you latitude thing (not quite as north as Edmonton)although no
snow quite yet we did hit the freezing mark a couple of times so far and
it is all down hill from here. **snow is a four letter word**
Anyway, stay tuned. As far as the changing os the filters goes, the
information on JtF states that after a couple of tank fulls of B100 to
expect to have to change them, and that would be about right for me as I
have run several tank fulls. although having a can type secondary filter
it takes longer to fill up than the straight in-line type, so I was under
the impression that that was the problem so I changed the secondary as the
primary did not seem clogged (I put air to it in reverse and got nothing
but clean fuel). However, I still want to change the lines and flush the
tank out regardless, as I am sure nothing like this has ever been done in
the Benz's 21 years of life, so a good "enema" is overdue.
Luc
----- Original Message -----
From: "Joey Hundert" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Monday, October 11, 2004 11:33 PM
Subject: RE: [Biofuel] Running on B100
Dear Luc,
The posting of your experience is invaluable to me, thank you very
much.
I'm the proud new owner of a 1984 Merc 300D (5cyl turbo), and she's got
about 200,000 miles on her (motor rebuilt 20,000 ago!). Therefore, I
have
every reason to believe that I'll have the exact same experience that
you've
had. What's more, the logistics are even scarier due to my latitude
(Edmonton, Alberta, where we saw snow on September 7th).
I have plans to run her on both B100 and SVO, therefore, my second tank
is slated for install over the next couple of weeks. In that the old
fuel
filters and lines present such a potential crap chute, would it be
advisable
to run all veggie fuels (B100 or SVO) through the second, heated tank
with
new fuel lines until the summer?
Thanks everyone,
Joey Hundert
Edmonton, AB
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Behalf Of Patrick Campbell
Sent: Monday, October 11, 2004 4:53 PM
To: [EMAIL PROTECTED]
Subject: Re: [Biofuel] Running on B100
Would going to B100 "slowly" help to avoid this
problem? I.e. first running B5, then B10, then B25,
etc.? I am granted a good tax deduction here in AZ if
I run B70 however I need to do an emissions test and
that has to be done before registration so my time is
limited.
I can't afford to screw up my vehicle by going
straight to B70 and having it clog up my fuel
lines(160K miles on the clock here) and leaving my
stranded on my way to work.
--- Legal Eagle <[EMAIL PROTECTED]> wrote:
Thanks for the input Steve. Would the return line be
the one right after the
in-line filter or the second one coming out of the
fuel filter (to the left)
away from you as you look at it from the right side
of the car ?
Luc
----- Original Message -----
From: <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Monday, October 11, 2004 4:50 PM
Subject: Re: [Biofuel] Running on B100
> The merc doesn't have a electric pump, but does
have a external lift pump
> near the fuel filter feeding the injector pump.
Make sure the return line
> isn't plugged.
>
> = = = Original message = = =
>
> Well, it wasn't the fuel filters :( Apparently the
BD is such an effective
> cleaner that it loosened up all the residuals in
the tank and lines and
> they became clogged up.
> The Benz is now at the MB dealer where tomorow it
will be fitted with new
> fuel lines and the tank emptied and flushed or
replaced (only if
> necessary).
> The symptoms: the car started to resist it's
momentum, like it was holding
> back and then releasing it's acceleration and then
it slowly lost power
> until it came to a slow death on the side of the
road.
> I changed the filters and started it back up and
it ran OK for about 60 Km
> or so and then it didn't bother with the resisting
part and went straight
> to the slow death thing. I could start it but it
wouldn't get it's RPM up
> and died within moments indicating that there was
resistance in the fuel
> delivery and the engine didn't like it and died.
All air had been bled out
> of the system at both the primary and secondary
filter inlets, so the
> problem, by default, is at the other end.
> Anybody know for sure if a 1983 240D has a filter
in the fuel tank or if
> it has an electric motor pumping the fuel?
>
> Thanks, any input, as usual, is appreciated.
>
> Luc
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