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Originally Posted by TVC15
Wow, great information! thanks.
Btw, How do i know which coolants are Porsche approved?
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Hi,
I think you may have misunderstood. Only Porsche Coolant is approved for use.
What I
am saying is that the Porsche Coolant isn't significantly any different than other Long-Life Anti-Freezes on the Market. To be sure, there are some subtle proprietary differences between Brands. But the Key here is that it needs to be
Phosphate-Free.
Because there are proprietary differences, a Full Ingredient List will usually be lacking. MSDS Legislation requires that all Toxic or Dangerous ingredients be listed on a Warning Label, but be aware that this is only a Partial list of the total Ingredients. The one thing which most of these Long-Life Brands will include on their labeling is the phrase -
Phosphate-Free.
The incidences where
Gelling occurred which John (deliriousga) refers to are instances where Anti-Freezes containing Phosphates and one which are
Phosphate-Free were mixed. Mixing coolants which
are Phosphate-Free will not result in this
Gelling. Hope this helps...
Happy Motoring!...Jim'99
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