Date: Sun, 4 Apr 2004 22:53:32 -0800
Reply-To: Jeff Hartman <jeffhartman11@HOTMAIL.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Jeff Hartman <jeffhartman11@HOTMAIL.COM>
Subject: Re: New thermostat, differs in equilibrium temp- was,
86 Vanagon unstable idle
Content-Type: text/plain; format=flowed
Thanks Eric, I guess that bleeding the line at the valve over the the
thermostat wasn't adequate, by-its-self and I need to do the whole 15
degree incline thing. Appreciate the note. Jeff
>From: Eric Zeno <vw4x4@FYI.NET>
>Reply-To: Eric Zeno <vw4x4@FYI.NET>
>To: vanagon@GERRY.VANAGON.COM
>Subject: Re: New thermostat, differs in equilibrium temp- was,
> 86 Vanagon unstable idle
>Date: Sun, 4 Apr 2004 20:53:22 -0400
>
>Easy question. Air in the system. Every time you open the system,
>you get air in it. Engine will run hot until bleed.
>
> Eric 86-VW4x4
> vw4x4@fyi.net 86-SS Syncro
> Pittsburgh, PA USA 1936-Chrysler
> 92-Jetta GWC
> www.fyi.net/~vw4x4/vw4x4.htm
>
>On Sun, 4 Apr 2004, Jeff Hartman wrote:
>
> > Two questions for any takers:
> >
> > (1) Does anyone know why the identical thermostat I just replaced would
>show
> > a slightly higher temp regestering on my gauge? The original was taking
>for
> > ever to allow warm up, so I replaced it with the same Behr 025 121 113 E
> > model (even has VW stamped on it) They look identical and both have 87
> > degrees c on them. The original would stay, when it finally came to
>temp,
> > at the lower end of the light, and now this new one stays in the middle
>to
> > upper end of the light surface when warm.
> >
> > The new one definately allows quick warm up, and produces a lot more
>heat
> > from the exchangers in the van. Is this higher temp a problem or an
> > improvement? Thanks, Jeff
> >
> > (2) I just bled the thermostat housing, and am wondering if I did it
> > correctly. I losened the set screw, and turned the knob on top,
> > counterclockwise, then coolant started comming out the set screw area, I
> > tightened the knob, and tightened the set screw, and it stopped. Is
>that
> > the correct proceedure?
> >
> > Many thanks,
> > Jeff Hartman
> > 86 vanagon, 2.1
> > Juneau, Alaska
> > >From: Jeff Hartman <jeffhartman11@HOTMAIL.COM>
> > >Reply-To: Jeff Hartman <jeffhartman11@HOTMAIL.COM>
> > >To: vanagon@GERRY.VANAGON.COM
> > >Subject: Re: 86 Vanagon unstable idle (grounds)
> > >Date: Sat, 3 Apr 2004 10:01:24 -0900
> > >
> > >I started going through the grounds on on my 86 vanagon last night.
>There
> > >are sooo many of them. One connecting to the top of the engine, is a
> > >braided copper affair. It has some fraying, but the contact points are
>all
> > >clean, under the hex head cap screws and metal surfaces. Do I need to
> > >replace the braided copper ground?
> > >
> > >Also, is there a good list of all the ground locations for our vanagons
> > >somewhere?
> > >Thanks, Jeff Hartman
> > >86 Vanagon 2.1
> > >Juneau, Alaska
> > >
> > >
> > >>From: "Mike Collum" <collum@verizon.net>
> > >>To: "Jeff Hartman" <jeffhartman11@HOTMAIL.COM>
> > >>Subject: Re: 86 Vanagon unstable idle
> > >>Date: Tue, 30 Mar 2004 23:49:51 -0500
> > >>
> > >>Jeff,
> > >>
> > >>The fact that it changes with electrical load leads me to think it
>could
> > >>be
> > >>a problem with electrically dirty connectors and/or grounds. It can
>be
> > >>surprising how a bad ground at one end of the machine can effect
>equipment
> > >>at the other end, too.
> > >>
> > >>Mike
> > >>Houlton, Maine
> > >>'84 GL 7 pass
> > >>'85 GL Westy
> > >>
> > >>----- Original Message -----
> > >>From: "Jeff Hartman" <jeffhartman11@HOTMAIL.COM>
> > >>To: <vanagon@GERRY.VANAGON.COM>
> > >>Sent: Tuesday, March 30, 2004 11:28 PM
> > >>Subject: 86 Vanagon unstable idle
> > >>
> > >>
> > >> > Hi, I have been struggling with an unstable idle. It is very cyclic
>and
> > >>the
> > >> > cycles and frequency increase with an electric load (fans etc.)
>With
> > >>the
> > >>O2
> > >> > sensor and temp sensor replaced, and other tuneup adjustments made,
>the
> > >>VW
> > >> > dealership claims I need a mass airflow sensor. This was
>determined
> > >>without
> > >> > any computer diagnostics. In fact the dealer's service department
>says
> > >>that
> > >> > their new computer testing equipment no longer can test our
>obsolete
> > >> > Vanagons.
> > >> >
> > >> > I don't have a lot of faith in them, so do you have any ideas of
> > >>whether
> > >> > they are right and what I should test next? I made a cursory
>review of
> > >>the
> > >> > archives over a couple of recent years, without finding this exact
> > >>problem
> > >> > described.
> > >> > Thanks, Jeff Hartman
> > >> > Juneau, Alaska
> > >> > 86 2.1 Vanagon
> > >> >
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