[W126 Coupe] Vacuum problem? Got the car running!

[David Fatovic]

I will try those first.  I think I am going to get 10m
or so of the vacuum tubing so I can change most of
what looks bad or close too.

David

--- Eddie <cyberdrakon at hotmail.com> wrote:

> It's at the very back of the engine, slightly on the
> passenger side.  One
> line goes around the right side of the engine and
> goes through the firewall
> right in front of the fusebox, and the other one
> goes under the car towards
> the transmission.
> 
> Of course your problem maybe a different vacuum
> leak, but the symptoms are
> identical (stumbling, stalling feel with AC,
> etcetera..).
> 
> Eddie
> 
> -----Original Message-----
> From: mbcoupes-bounces at mbcoupes.com
> [mailto:mbcoupes-bounces at mbcoupes.com]
> On Behalf Of Eddie
> Sent: Sunday, July 10, 2005 3:14 AM
> To: 'Mercedes Coupes Mailing Lists'
> Subject: RE: [W126 Coupe] Vacuum problem? Got the
> car running!
> 
> Give the 2 rear vacuum lines a light tug (going to
> the tranny and around the
> engine).  I have the same problem, and replacing the
> vacuum line improved
> the idle SIGNIFICANTLY.  When I went to tug it, it
> simply snapped right off.
> I would say it's almost cured.  I was thinking about
> ignition problems too,
> but I discovered there was a crack on that vacuum
> line where it sits against
> the transmission.  I think it's the friction and
> heat that cracked it,
> perhaps you have the same problem?  It didn't show
> up when testing vacuum
> elsewhere.
> 
> BTW, I'd like to thank Mike Ramay, Nathan, and
> Jonathon Hodgman, they've
> helped me quite a bit off-line with my rough idle. 
> It's NEARLY cured.
> 
> Eddie
> 
> -----Original Message-----
> From: mbcoupes-bounces at mbcoupes.com
> [mailto:mbcoupes-bounces at mbcoupes.com]
> On Behalf Of David Fatovic
> Sent: Saturday, July 09, 2005 4:07 PM
> To: Mercedes Coupes Mailing Lists
> Subject: Re: [W126 Coupe] Vacuum problem? Got the
> car running!
> 
> Well, today I was able to get the SEL running.  I
> switched out the ignition module from my 85 SEC to
> the
> 85 SEL.  Fired right up!  So I got that running,
> changed the oil, new plugs, new plug wires, tranny
> fluid and filter change.  It is running, it does
> have
> more power, but it still has the stumble under load
> at
> low RPM.  
> 
> Basically the car stutters, and with the AC on it
> almost feels like when you are stepping on the gas
> from a dead start, like it is just going to stall.  
> 
> Any ideas?  At highway speeds when you step on the
> gas, it goes like it should, at cuising speeds the
> car
> feels fine.
> 
> any ideas?
> 
> david
> 
> --- Mister McGoo <eelploot at hotmail.com> wrote:
> 
> 
> ---------------------------------
> 
> A replacement for the Bosch ignition module (02 545
> 26
> 32) for models prior to '86 is made in Germany by
> Hueco at approx $150.
> 
>  
> 
> 
> 
> >From: jralex at ix.netcom.com
> >Reply-To: jralex at ix.netcom.com,Mercedes Coupes
> Mailing Lists <mbcoupes at mbcoupes.com>
> >To: Mercedes Coupes Mailing Lists
> <mbcoupes at mbcoupes.com>
> >Subject: Re: [W126 Coupe] Vacuum problem?
> >Date: Wed, 6 Jul 2005 23:28:53 -0500 (GMT-05:00)
> >
> >The MB Coupes Website!
> >W126 SEC Mailing List
> >Postings remain property of MB Coupes, L.L.C.
> 
> 
> 
> ---------------------------------
> Content-Type: text/html;
> charset=us-asciiContent-Transfer-Encoding: 7bitA
> much
> better ignition system and for less money is the
> MSD.
> Check archives. Nathang has some great write ups
> about
> it. Jim Alex
> 
> 
> -----Original Message----- 
> From: Mister McGoo 
> Sent: Jul 6, 2005 11:54 AM 
> To: mbcoupes at mbcoupes.com 
> Subject: Re: [W126 Coupe] Vacuum problem? 
> 
> 
> David;
> 
> A quick way to see if you have any spark, and seeing
> as you obviously already have the air cleaner off,
> is
> to sqirt starting fluid or a couple tablespoon of
> gas
> through the air intake and see if it fires up (for a
> second or two)
> 
> You're likely right about the coil.  The symptoms
> are
> closer, they  can act up first and then fail.
> 
> The other option is the ignition module but they
> usually die instantly with no warning.  
> 
> A new coil is by far the cheapest part, abt $75. 
> The
> ign module is more like $500.  The one in an '89SEC
> is
> over $1,500. ouch!
> 
> 
> 
> 
> >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: Wed, 6 Jul 2005 05:01:45 -0700 (PDT)
> >
> >We put a spark tester on a few of the wires, it
> will
> >show the spark through the cable.  Nothing.
> >
> >David
> 
> 
> 
> > The MB Coupes Website!
> > W126 SEC Mailing List
> > Postings remain property of MB Coupes, L.L.C.
> 
> The MB Coupes Website!
> W126 SEC Mailing List
> Postings remain property of MB Coupes, L.L.C.
> The MB Coupes Website!
> W126 SEC Mailing List
> Postings remain property of MB Coupes, L.L.C.
> The MB Coupes Website!
> W126 SEC Mailing List
> Postings remain property of MB Coupes, L.L.C.
>