Ford 2015 E-450 User Manual download pdf (Page 174)

The coolant concentration should be maintained within 48% to 50%,

which equates to a freeze point between -30°F (-34°C) and -34°F

(-37°C).

Note: For best results, coolant concentration should be tested with a

refractometer such as Robinair Coolant and Battery Refractometer

75240. We do not recommend the use of hydrometers or coolant test

strips for measuring coolant concentrations.

Note: Automotive fluids are not interchangeable; do not use engine

coolant/antifreeze or windshield washer fluid outside of its specified

function and vehicle location.

Adding Engine Coolant

WARNING: Do not add engine coolant when the engine is hot.

Steam and scalding liquids released from a hot cooling system

can burn you badly. Also, you can be burned if you spill coolant on hot

engine parts.

WARNING: Do not put engine coolant in the windshield washer

fluid container. If sprayed on the windshield, engine coolant

could make it difficult to see through the windshield.

WARNING: To reduce the risk of personal injury, make sure the

engine is cool before unscrewing the coolant pressure relief cap.

The cooling system is under pressure; steam and hot liquid can come

out forcefully when the cap is loosened slightly.

WARNING: Do not add coolant further than the FULL COLD

mark.

Note: Do not use stop leak pellets, cooling system sealants or additives

as they can cause damage to the engine cooling or heating systems. This

damage would not be covered under your vehicle’s warranty.

• DO NOT MIX different colors or types of coolant in your vehicle. Make

sure the correct coolant is used. Mixing of engine coolants may harm

your engine’s cooling system. The use of an improper coolant may

harm engine and cooling system components and may void the

warranty.

Maintenance 173

2015 Econoline (eco)

Owners Guide gf, 1st Printing, June 2014

USA (fus)

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Ford 2015 E-450 User Manual Page 174