Ford 2004 Expedition v.3 Manuel d'utilisateur télécharger pdf (Page 305)

• Decreased engine coolant concentrations below 40% will

decrease the corrosion protection characteristics of the engine

coolant and may cause engine damage.

• Decreased engine coolant concentrations below 40% will

decrease the freeze protection characteristics of the engine

coolant and may cause engine damage.

• 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 HI TEMP/LOW OIL indicator

will illuminate.

• The Service engine soon

indicator light 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.

When this occurs the vehicle will still operate. However:

• The engine power will be limited.

• The air conditioning system will be disabled.

Continued operation will increase the engine temperature:

• The engine will completely shut down.

• Steering and braking effort will increase.

2004 Expedition (exd)

Owners Guide (post-2002-fmt)

USA English (fus)

Maintenance and Specifications

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Ford 2004 Expedition v.3 Manuel d'utilisateur Page 305