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Porsche Washer Fluid Concentrate

blundgren77
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blundgren77 Member

blundgren77

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Getting ready to store the car for the season this weekend. This is my first winter owning the car, and I'm about 99.9% sure the dealer I bought it from filled the washer with Porsche concentrate. Since I drive it on good weather days only, I've never had a reason to use the washer fluid much, so never topped it off, and thus - never bought any yet to read the label. :)

Does the stuff contain any anti-freeze substances? Or for storage this winter (unheated, but garaged) should I drain/sypon it, or top off with some good 'ol regular blue washer fluid/antifreezing solution?

I don't want to come back in the spring to a cracked fluid bottle from it freezing.

Bill

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Loren Member

Loren

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If it is the Porsche concentrate it should be "freeze proof" - provided no one has watered it down.

The Porsche stuff (P21S) is really good stuff and will not harm the paint or weatherstripping.

If it were my car I would siphon it out and refill with a proper mixture of the P21S Windshield Wash Booster.

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