[W126 Coupe] Vacuum problem?

[David Fatovic]

We put a spark tester on a few of the wires, it will
show the spark through the cable.  Nothing.

David

--- Mister McGoo <eelploot at hotmail.com> wrote:


---------------------------------

Are you sure you don't have a spark?  How did you test
that?

-Bellamy





>From: David Fatovic <coloradocroat at yahoo.com>
>Reply-To: Mercedes Coupes Mailing Lists
<mbcoupes at mbcoupes.com>
>To: Mercedes Coupes Mailing Lists
<mbcoupes at mbcoupes.com>
>Subject: Re: [W126 Coupe] Vacuum problem?
>Date: Tue, 5 Jul 2005 19:33:29 -0700 (PDT)
>
>Well, here is an update as to what is going on with
>the SEL.  My dad came up to Breckenridge this weekend
>for my "future" brother-in-law's wedding.  He said it
>was running sluggish, which I knew, but when he went
>to bring the car around the hotel the day of the
>wedding to pick up my mom and the car dies!  Can't
>start it, nothing.  So Sunday I went to see what was
>going on.  On first crank it sounds like there is no
>spark.
>
>Pop the hood and start checking the wires.  The wire
>going from the coil to the distributor has a kink in
>it, that kink is very soft and bubbled out.  I figure
>that is the problem, that coil wire is busted and no
>spark is getting to the cap.  Well, that was fun
>trying to find plug wires in a small mountain town.
>
>So we try to jerry-rig something and it doesn't work.
>Today we have the car towed down to Denver to the
shop
>(the forklift dealership the inlaws own).  I decided
>to get a new set of plug wires, and a new set of
>plugs, replace those.  Good to go on that, we decided
>to pop the cap to check the rotor.  The tip was blown
>at the tip!  So we replaced that too.
>
>After new plugs, new wires, and a new rotor, we try
to
>crank it again.  Again, nothing.  From what we can
>tell the coil is getting good power too it, but when
>we put a test light on the negative post, it doesn't
>flicker but just stays on.  We think the problem is
>the coil isn't being grounded and dumping the charge
>to the cap.
>
>Has anybody else had this problem?  Has anybody had
to
>change the controller that mounts on the fender?
>Bosch Part number 0 227 100 042 or MB Part number
>0025452623?  I went to get the one off of my 91, but
>it is completely different!
>
>Any ideas, it looks like the coil is not dumping the
>charge and we are not getting spark.
>
>Thanks,
>
>David


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