50/50 Mixture Of Coolant And Water Provides The Following - Ford 2011 Ranger Owner's Manual

Maintenance and Specifications
Your vehicle was factory-filled with a 50/50 engine coolant and water
concentration. If the concentration of coolant falls below 40% or above
60%, the engine parts could become damaged or not work properly. A

50/50 mixture of coolant and water provides the following:

• Freeze protection down to -34°F (-36°C).
• Boiling protection up to 265°F (129°C).
• Protection against rust and other forms of corrosion.
• Enables calibrated gauges to work properly.
• 2.3L engine
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2011 Ranger (ran)
Owners Guide, 1st Printing
USA (fus)