We need facts, not opinions.   I know that some of you reapir vanagon
for a living.  How often should I drain and flush the cooling system on
my Vanagon;  The last time my Vanagon saw new coolant was August 2003
What would you do if you were servicing my Vanagon?

John

On Mon, Apr 3, 2017 at 2:23 PM, OlRivrRat wrote:

> On 2 Apr , 2017, at 11:35 PM, Gene P wrote:
>
>> If your cooling system is operating properly, you could be running
>> apple juice or skim milk in it and the running temperature will be
>> determined by which thermostat is installed.  Exotic fluids do not
>> change the setting of a thermostat.
>
>         Valid Point > To a Point ~ Let's consider this ~ If WW is able
> to create a Condition that Improves Heat Transfer From Eng' Metal to
> Coolant & Coolant to
>
> Radiator Metal & Coolant to Thermostat then the Thermostat Could
> Conceivably Sense Heat Changes More Quickly & Therefore Respond More
> Quickly to those
>
> Temp' Changes ~
>
>         But ~ Also To Be Considered > Since Our Temp'Gauges &
> Temp'Sensors Only Supply Us with the Temp' of the Coolant, We can Only
> Assume that We
>
> know the Actual Temp' of the Eng' ~ Since We Don't have PistonTop or
> Cylinder or Head Temp' Sensors, We just have to have Faith that the
> Coolant is able
>
> to give Us & The ECU accurate info with which We & The ECU can develop
> an Educated Guess as to the Actual Temp' Conditions present within the
> Eng' ~
>         Let's Surmise ~ If WW Actually Lowers Heat Transfer, thereby
> Leaving The Heat in the Eng'Metal & also Being LessAble to Transfer
> the Heat that it is
>
> able to collect to the Temp' Sensor, It Would Appear To Us, Via the
> Temp'Gauge, that WW Was Indeed Keeping the Eng' Cooler when in
> Actuality it Would
> Only be keeping the Coolant Cooler ~
>
>         Yet Another Thing to Consider > The ECU makes Its Educated
> Guesses as to the Conditions In & Around The Combustion Chamber, in
> part, from Temp'
>
> Info It gets from the Coolant Temp' Sensor ~ So ~ If WW Does Alter the
> Heat Transfer Ability of the Coolant, Up or Down, That Temp' Info
> Could Indicate to
>
> the ECU that the Conditions In & Around The Combustion Chamber Are Not
> What They Actually Are ~ That Could Get Confusing to the ECU if
> Coolant Temp
>
> was Telling it it Needed to Go Rich & The O2Snsr was Telling it it
> Needed to go Lean (or VisaVersa) ~
>         There is a Bit More Info & Ideas about WW in the Archives @
> http://gerry.vanagon.com/cgi-bin/wa.exe?A1=ind1607c&L=vanagon#12
>
>
> ORR ~ DeanB