Ford 2005 F-150 Manuel d'utilisateur télécharger pdf (Page 268)

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.

1. Before you begin, turn the engine off and let it cool.

2. When the engine is cool, wrap a thick cloth around the coolant

pressure relief cap on the coolant reservoir (an opaque plastic bottle).

Slowly turn cap counterclockwise (left) until pressure begins to release.

3. Step back while the pressure releases.

4. When you are sure that all the pressure has been released, use the

cloth to turn it counterclockwise and remove the cap.

5. Fill the coolant reservoir slowly with the proper coolant mixture (see

above), to within the “FULL COLD” or the “COLD FILL RANGE” level on

the reservoir.

6. Replace the cap. Turn until tightly installed. Turn cap until click is

heard/felt to ensure it is tightly installed.

After any coolant has been added, check the coolant concentration, refer

to Checking engine coolant section. If the concentration is not 50/50

(protection to –34° F/–36° C), drain some coolant and adjust the

concentration. It may take several drains and additions to obtain a 50/50

coolant concentration.

Whenever coolant has been added, the coolant level in the coolant

reservoir should be checked the next few times you drive the vehicle. If

necessary, add enough 50/50 concentration of engine coolant and

distilled water to bring the liquid level to the proper level.

If you have to add more than 1.0 quart (1.0 liter) of engine coolant per

month, have your authorized dealer check the engine cooling system. Your

cooling system may have a leak. Operating an engine with a low level of

coolant can result in engine overheating and possible engine damage.

Recycled engine coolant

Ford Motor Company does NOT recommend the use of recycled engine

coolant in vehicles originally equipped with Motorcraft Premium Gold

Engine Coolant since a Ford-approved recycling process is not yet available.

Used engine coolant should be disposed of in an appropriate

manner. Follow your community’s regulations and standards for recycling

and disposing of automotive fluids.

2005 F-150 (f12)

Owners Guide (post-2002-fmt)

USA (fus)

Maintenance and Specifications

268

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Ford 2005 F-150 Manuel d'utilisateur Page 268