Ford 2011 F-550 v.1 Manuel d'utilisateur télécharger pdf (Page 217)

INFLATING YOUR TIRES

Safe operation of your vehicle requires that your tires are properly

inflated. Remember that a tire can lose up to half of its air pressure

without appearing flat.

Every day before you drive, check your tires. If one looks lower than the

others, use a tire gauge to check pressure of all tires and adjust if

required.

At least once a month and before long trips, inspect each tire and check

the tire pressure with a tire gauge (including spare, if equipped). Inflate

all tires to the inflation pressure recommended by Ford Motor Company.

You are strongly urged to buy a reliable tire pressure gauge, as automatic

service station gauges may be inaccurate. Ford recommends the use of a

digital or dial-type tire pressure gauge rather than a stick-type tire

pressure gauge.

Use the recommended cold inflation pressure for optimum tire

performance and wear. Under-inflation or over-inflation may cause

uneven treadwear patterns.

WARNING: Under-inflation is the most common cause of tire

failures and may result in severe tire cracking, tread separation

or “blowout”, with unexpected loss of vehicle control and increased

risk of injury. Under-inflation increases sidewall flexing and rolling

resistance, resulting in heat buildup and internal damage to the tire. It

also may result in unnecessary tire stress, irregular wear, loss of

vehicle control and accidents. A tire can lose up to half of its air

pressure and not appear to be flat!

Always inflate your tires to the Ford recommended inflation pressure

even if it is less than the maximum inflation pressure information found

on the tire. The Ford recommended tire inflation pressure is found on

the Safety Compliance Certification Label or Tire Label which is located

on the B-Pillar or the edge of the driver’s door. Failure to follow the tire

pressure recommendations can cause uneven treadwear patterns and

adversely affect the way your vehicle handles.

Note: Do not reduce tire pressure to change the ride characteristics of

the vehicle. If you do not maintain the inflation pressure at the levels

specified by Ford, your vehicle may experience a condition known as

“shimmy”. Shimmy is a severe vibration and oscillation in the steering

wheel after the vehicle travels over a bump or dip in the road that does

not dampen out by itself. Shimmy may result from significant

Tires, Wheels and Loading

217

2011 F-250/350/450/550 (f23)

Owners Guide, 1st Printing

USA (fus)

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Ford 2011 F-550 v.1 Manuel d'utilisateur Page 217

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Ford 2011 F-550 v.1 Manuel d'utilisateur Page 217

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