Date: Sun, 4 Apr 2004 17:57:42 -0400
Reply-To: Dennis Haynes <dhaynes@OPTONLINE.NET>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Dennis Haynes <dhaynes@OPTONLINE.NET>
Subject: Re: New thermostat, differs in equilibrium temp- was,
86 Vanagon unstable idle
In-Reply-To: <BAY14-F633w9cUnv8Gf00016a67@hotmail.com>
Content-type: text/plain; charset=us-ascii
The new one appears to be doing exactly what it should be.
Dennis
-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf
Of Jeff Hartman
Sent: Sunday, April 04, 2004 3:57 PM
To: vanagon@GERRY.VANAGON.COM
Subject: New thermostat, differs in equilibrium temp- was, 86 Vanagon
unstable idle
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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