Ford 2008 F-550 v.3 Manuel d'utilisateur télécharger pdf (Page 351)

When lifting a plastic-cased battery, excessive pressure on the

end walls could cause acid to flow through the vent caps,

resulting in personal injury and/or damage to the vehicle or battery.

Lift the battery with a battery carrier or with your hands on opposite

corners.

Keep batteries out of reach of children. Batteries contain sulfuric

acid. Avoid contact with skin, eyes or clothing. Shield your eyes

when working near the battery to protect against possible splashing of

acid solution. In case of acid contact with skin or eyes, flush

immediately with water for a minimum of 15 minutes and get prompt

medical attention. If acid is swallowed, call a physician immediately.

Battery posts, terminals and related accessories contain lead and

lead compounds. Wash hands after handling.

For information on transmission operation after the battery has been

disconnected, refer to Automatic transmission operation in the

Driving chapter.

Because your vehicle’s engine is also electronically controlled by a

computer, some control conditions are maintained by power from the

battery. When the battery is disconnected or a new battery is installed,

the engine must relearn its idle and fuel trim strategy for optimum

driveability and performance. To begin this process:

1. With the vehicle at a complete stop, set the parking brake.

2. Put the gearshift in P (Park) (automatic transmission) or the neutral

position (manual transmission), turn off all accessories and start the

engine.

3. Run the engine until it reaches normal operating temperature.

4. Allow the engine to idle for at least one minute.

5. Turn the A/C on and allow the engine to idle for at least one minute.

6. Drive the vehicle to complete the relearning process.

• The vehicle may need to be driven 10 miles (16 km) or more to

relearn the idle and fuel trim strategy.

• If you do not allow the engine to relearn its idle trim, the idle

quality of your vehicle may be adversely affected until the idle

trim is eventually relearned.

2008 F-250/350/450/550 (f23)

Owners Guide (post-2002-fmt)

USA (fus)

Maintenance and Specifications

351

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Ford 2008 F-550 v.3 Manuel d'utilisateur Page 351