Thread: Zerex???
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Old 05-16-2009, 06:29 PM   #9
blue2000s
Porscheectomy
 
Join Date: Mar 2006
Location: Seattle Area
Posts: 3,011
Quote:
Originally Posted by urban_legend
Great stuff... I now have a minor in coolantology. But here is the catch - the reason to use porsche coolant (or Dex-Cool) is to make sure it matches the OEM coolant already there. BUT, on my inspection there was green coolant in the tank.
So clearly not the pink porsche coolant - but what is it?

Is the Dex-Cool green? Any quesses?

So my conclusion is it is probably more important to get all the old green coolant out than what I put in afterward. The problem seems more to be mixing coolant types than what brand you put in. (Havoline, Chevon and Zerex all market Dex-Cool.)
There's no standard on the color. Porsche's branded coolant was pink at one time and yellow at another. Don't go by color.

http://www.renntech.org/forums/index.php?showtopic=9350&mode=linear
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