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Date:         Sun, 4 Apr 2004 11:57:24 -0800
Reply-To:     Jeff Hartman <jeffhartman11@HOTMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Jeff Hartman <jeffhartman11@HOTMAIL.COM>
Subject:      New thermostat, differs in equilibrium temp-  was,
              86 Vanagon unstable idle
Content-Type: text/plain; format=flowed

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 >> > >> > _________________________________________________________________ >> > Get rid of annoying pop-up ads with the new MSN Toolbar - FREE! >> > http://toolbar.msn.com/go/onm00200414ave/direct/01/ >> >> > >_________________________________________________________________ >Get rid of annoying pop-up ads with the new MSN Toolbar – FREE! >http://toolbar.msn.com/go/onm00200414ave/direct/01/

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