Checking Antifreeze In Coolant

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