Ford 2009 Explorer Sport Trac v.1 Manuel d'utilisateur télécharger pdf (Page 325)

• 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

(4.6L V8 engine only)

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.

Fail-safe cooling and engine oil overheat mode (4.6L V8 only)

If the engine coolant and/or engine oil overheat, the vehicle’s fail-safe

modes will reduce engine power to limit engine damage, even with a

total loss of coolant. The vehicle’s range and/or speed will be reduced,

depending on vehicle load, terrain, and outside temperatures.

The instrument cluster provides warnings for each mode.

• Fail-Safe Cooling Mode: The

(Service engine

soon),

(Engine oil pressure), and (Engine coolant

temperature) indicators will be on.

Along with these warning indicators, the engine coolant temperature

gauge will read in the Hot (H) area.

If the engine coolant reaches even hotter temperatures, fail-safe

cooling mode limits engine power more and disables air conditioning.

The engine will switch to alternating cylinder operation to help cool

the engine. The engine will run rough in this mode.

If continued operation increases the engine coolant temperature to a

critical range, the engine will shut down. Steering and braking effort

will increase. Once engine coolant temperature cools, the engine can

be restarted.

• Engine Oil Overheat Mode: The

(Engine coolant temperature)

indicator will be on. The instrument cluster has no separate oil

temperature indicator.

2009 07+ Explorer Sport Trac (esp)

Owners Guide, 1st Printing

USA (fus)

Maintenance and Specifications

325

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Ford 2009 Explorer Sport Trac v.1 Manuel d'utilisateur Page 325

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