Checking Antifreeze In Coolant

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Check antifreeze content.

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Checking antifreeze content
1. 1.1 Check antifreeze content using antifreeze tester -1- .
2. 1.2 If the antifreeze content is above -35°C, correct it by increasing the proportion of pure coolant as required.
  Coolant mixture ratio
  - 40% coolant and 60% distilled water for antifreeze protection up to -25°C
  - 50% coolant and 50% distilled water for antifreeze protection up to -36°C

Measured antifreeze protection in °C	Antifreeze quantity to be added (in litres)
-5	9
-10	8.5
-15	7.5
-20	7
-25	5
-30	3.5
-35	1.5