On 4 Apr , 2017, at 3:47 PM, John Lauterbach wrote:

> 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
> 
> 
        Every 2 Years is Probably the Best Rule Of Thumb on This ~ But there are some Variables that can come into play here ~

If You use a Known High Quality Coolant + Distilled H2O You can Probably Get Away With Stretching that A Bit ~ Especially If Your

H2OBoxr is in a YearRound Dailydriver ~ If You use TapH2O, All Bets Are Off as Some Tap H2Os may contain Substances that Might

make it desirable to Change Every Year ~ Distilled H2O Is Cheap & Readily Available > It Makes No Good Sense To Not Use It ~

        If Your H2OBoxr is in a Van that is Only Driven During the Warm Months, A 2Yr Max ROT Should Probably Be Adhered To ~

                                                                                        ORR ~ DeanB