Ford 2011 Taurus v.2 Manuel d'utilisateur télécharger pdf (Page 340)

• A coolant concentration of 60% will provide freeze point

protection down to -62°F [-52°C]. Increased engine coolant

concentrations above 60% will decrease the overheat

protection characteristics of the engine coolant and may cause

engine damage.

• If available, refer to the chart on the coolant container to

ensure the coolant concentration in your vehicle will provide

adequate freeze protection at the temperatures in which you

drive in the winter months.

If you drive in extremely hot climates:

• It is still necessary to maintain the coolant concentration

above 40%.

• NEVER decrease the coolant concentration below 40%.

• A coolant concentration of 40% will provide freeze point

protection down to -12°F [-24°C]. Decreased engine coolant

concentrations below 40% will decrease the corrosion/freeze

protection characteristics of the engine coolant and may cause

engine damage.

• If available, refer to the chart on the coolant container to

ensure the coolant concentration in your vehicle will provide

adequate protection at the temperatures in which you drive.

Vehicles driven year-round in non-extreme climates should use a 50/50

mixture of engine coolant and distilled water for optimum cooling system

and engine protection.

What you should know about fail-safe cooling

If the engine coolant supply is depleted, this feature allows the vehicle to

be driven temporarily before incremental component damage is incurred.

The “fail-safe” distance depends on ambient temperatures, vehicle load

and terrain.

How fail-safe cooling works

If the engine begins to overheat:

•

The engine coolant temperature gauge will move to the red (hot) area.

• The service engine soon indicator will illuminate.

If the engine reaches a preset over-temperature condition, the engine

will automatically switch to alternating cylinder operation. Each disabled

cylinder acts as an air pump and cools the engine.

Maintenance and Specifications

340

2011 Taurus

Owners Guide, 2nd Printing

USA (fus)

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Ford 2011 Taurus v.2 Manuel d'utilisateur Page 340