*From Go Westy*

*Two year service (regardless of mileage):*
Cooling system flush
  -Phosphate-free coolant, any brand, any color
  -Distilled water - must be distilled
Brake fluid flush
Clutch fluid flush (manual trans only)

On Tue, Apr 4, 2017 at 2:47 PM, John Lauterbach <john@jhl.mgacoxmail.com>
wrote:

> 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
>>
>