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Ford F 350 Owners Manual

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    							it needs to be repaired or replaced.
    For your safety, tires that are
    damaged or show signs of
    excessive wear should not be used
    because they are more likely to
    blow out or fail.
    Improper or inadequate vehicle
    maintenance can cause tires to
    wear abnormally. Inspect all your
    tires, including the spare,
    frequently, and replace them if
    one or more of the following
    conditions exist:
    Tire Wear
    When the tread is worn down to
    one sixteenth of an inch (2
    millimeters), tires must be
    replaced to help prevent your
    vehicle from skidding and
    hydroplaning. Built-in treadwear
    indicators, or wear bars, which
    look like narrow strips of smooth
    rubber across the tread will
    appear on the tire when the tread
    is worn down to one sixteenth of
    an inch (2 millimeters). When the tire tread wears down
    to the same height as these wear
    bars, the tire is worn out and must
    be replaced.
    Damage
    Periodically inspect the tire treads
    and sidewalls for damage (such
    as bulges in the tread or sidewalls,
    cracks in the tread groove and
    separation in the tread or
    sidewall). If damage is observed
    or suspected have the tire
    inspected by a tire professional.
    Tires can be damaged during
    off-road use, so inspection after
    off-road use is also
    recommended.
    Age
    WARNINGS
    Tires degrade over time
    depending on many factors
    such as weather, storage
    conditions, and conditions of use
    (load, speed, inflation pressure)
    the tires experience throughout
    their lives. In general, tires should be
    replaced after six years
    regardless of tread wear or even
    if they have not been used.
    However, heat caused by hot
    climates or frequent high-load
    conditions can accelerate the
    aging process and may require you
    to replace tires more frequently.
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    Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 201702, Third Printing Wheels and TiresE142546  
    						
    							WARNINGS
    You should replace your
    spare tire when you replace
    the road tires or after six years due
    to aging even if it has not been
    used. U.S. DOT Tire Identification
    Number
    Both United States and Canada
    Federal regulations require tire
    manufacturers to place
    standardized information on the
    sidewall of all tires. This
    information identifies and
    describes the fundamental
    characteristics of the tire and also
    provides a U.S. DOT Tire
    Identification Number for safety
    standard certification and in case
    of a recall.
    This begins with the letters DOT
    and indicates that the tire meets
    all federal standards. The next
    two numbers or letters are the
    plant code designating where it
    was manufactured, the next two
    are the tire size code and the last
    four numbers represent the week
    and year the tire was built. For
    example, the numbers 317 mean
    the 31st week of 1997. After 2000
    the numbers go to four digits. For
    example, 2501 means the 25th
    week of 2001. The numbers in
    between are identification codes
    used for traceability. This
    information is used to contact
    customers if a tire defect requires
    a recall.
    Tire Replacement
    Requirements
    Your vehicle is equipped with tires
    designed to provide a safe ride
    and handling capability.
    WARNINGS
    Only use replacement tires
    and wheels that are the same
    size, load index, speed rating and
    type (such as P-metric versus
    LT-metric or all-season versus
    all-terrain) as those originally
    provided by Ford. The
    recommended tire and wheel size
    may be found on either the Safety
    Compliance Certification Label
    (affixed to either the door hinge
    pillar, door-latch post, or the door
    edge that meets the door-latch
    post, next to the driver ’s seating
    position), or the Tire Label which
    is located on the B-Pillar or edge
    of the driver ’s door. If this
    information is not found on these
    labels, then you should contact
    your authorized dealer as soon as
    possible. Use of any tire or wheel
    not recommended by Ford can
    affect the safety and performance
    of your vehicle, which could result
    in an increased risk of loss of
    vehicle control, vehicle rollover,
    personal injury and death.
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    							WARNINGS
    To reduce the risk of serious
    injury, when mounting
    replacement tires and wheels, you
    should not exceed the maximum
    pressure indicated on the sidewall
    of the tire to set the beads without
    additional precautions listed
    below. If the beads do not seat at
    the maximum pressure indicated,
    re-lubricate and try again.
    When inflating the tire for
    mounting pressures up to 20 psi
    (1.38 bar) greater than the
    maximum pressure on the tire
    sidewall, the following
    precautions must be taken to
    protect the person mounting the
    tire:
    1. Make sure that you have the
    correct tire and wheel size.
    2. Lubricate the tire bead and
    wheel bead seat area again.
    3. Stand at a minimum of 
    12 ft
    (3.66 m) away from the wheel
    and tire assembly.
    4. Use both eye and ear
    protection. For a mounting pressure
    more than 
    20 psi (1.38 bar)
    greater than the maximum
    pressure, a Ford dealer or other
    tire service professional should do
    the mounting. WARNINGS
    Always inflate steel carcass
    tires with a remote air fill with
    the person inflating standing at a
    minimum of 
    12 ft (3.66 m) away
    from the wheel and tire assembly. Important: Remember to replace
    the wheel valve stems when the
    road tires are replaced on your
    vehicle.
    The two front tires or two rear tires
    should generally be replaced as a
    pair.
    The tire pressure sensors mounted
    in the wheels are not designed to
    be used in aftermarket wheels.
    The use of wheels or tires not
    recommended by Ford Motor
    Company may affect the
    operation of your tire pressure
    monitoring system.
    If the tire pressure monitoring
    system indicator is flashing, the
    system is malfunctioning. Your
    replacement tire might be
    incompatible with your tire
    pressure monitoring system, or
    some component of the system
    may be damaged.
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    							Replacing a Tire That is
    Greenhouse Gas Certified
    The tires installed on this vehicle
    at the factory as original
    equipment are certified for
    Greenhouse Gas and Fuel
    Efficiency regulations.
    Replacement tires must be of
    equal or lower rolling resistance
    level (TRRL or Crr). Consult with
    your tire supplier(s) for
    appropriate replacement tires.
    Safety Practices
    WARNINGS
    If your vehicle is stuck in
    snow, mud or sand, do not
    rapidly spin the tires; spinning the
    tires can tear the tire and cause
    an explosion. A tire can explode in
    as little as three to five seconds. Do not spin the wheels at
    over 34 mph (55 km/h). The
    tires may fail and injure a
    passenger or bystander. Driving habits have a great deal
    to do with your tire mileage and
    safety.
    *Observe posted speed limits.
    *Avoid fast starts, stops and turns.
    *Avoid potholes and objects on
    the road.
    *Do not run over curbs or hit the
    tire against a curb when parking. Highway Hazards
    No matter how carefully you drive
    there
    ’s always the possibility that
    you may eventually have a flat tire
    on the highway. Drive slowly to the
    closest safe area out of traffic.
    This may further damage the flat
    tire, but your safety is more
    important.
    If you feel a sudden vibration or
    ride disturbance while driving, or
    you suspect your tire or vehicle
    has been damaged, immediately
    reduce your speed. Drive with
    caution until you can safely pull
    off the road. Stop and inspect the
    tires for damage. If a tire is
    under-inflated or damaged,
    deflate it, remove wheel and
    replace it with your spare tire and
    wheel. If you cannot detect a
    cause, have the vehicle towed to
    the nearest repair facility or tire
    dealer to have the vehicle
    inspected.
    Tire and Wheel Alignment
    A bad jolt from hitting a curb or
    pothole can cause the front end
    of your vehicle to become
    misaligned or cause damage to
    your tires. If your vehicle seems to
    pull to one side when you’re
    driving, the wheels may be out of
    alignment. Have an authorized
    dealer check the wheel alignment
    periodically.
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    							Wheel misalignment in the front
    or the rear can cause uneven and
    rapid treadwear of your tires and
    should be corrected by an
    authorized dealer. Front-wheel
    drive vehicles and those with an
    independent rear suspension may
    require alignment of all four
    wheels.
    The tires should also be balanced
    periodically. An unbalanced tire
    and wheel assembly may result in
    irregular tire wear.
    Tire Rotation
    WARNING
    If the tire label shows
    different tire pressures for the
    front and rear tires and the vehicle
    has a tire pressure monitoring
    system, then you need to update
    the settings for the system
    sensors. Always perform the
    system reset procedure after tire
    rotation. If you do not reset the
    system, it may not provide a low
    tire pressure warning when
    necessary. Note:
    If your tires show uneven
    wear ask an authorized dealer to
    check for and correct any wheel
    misalignment, tire imbalance or
    mechanical problem involved
    before tire rotation. Note:
    Your vehicle may be
    equipped with a dissimilar spare
    wheel and tire assembly. A
    dissimilar spare wheel and tire
    assembly is defined as a spare
    wheel and tire assembly that is
    different in brand, size or
    appearance from the road tires and
    wheels. If you have a dissimilar
    spare wheel and tire assembly it is
    intended for temporary use only
    and should not be used in a tire
    rotation.
    Note: After having your tires
    rotated, inflation pressure must be
    checked and adjusted to the
    vehicle requirements.
    Rotating your tires at the
    recommended interval (as
    indicated in the Scheduled
    Maintenance chapter) will help
    your tires wear more evenly,
    providing better tire performance
    and longer tire life. Sometime
    irregular tire wear can be
    corrected by rotating the tires. Rear-wheel drive vehicles and
    four-wheel drive vehicles (front
    tires at left of diagram).
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    							Dual rear wheel drive vehicle - six
    tire rotation (front tires at top of
    diagram).
    If your vehicle is equipped with
    dual rear wheels it is
    recommended that the front and
    rear tires (in pairs) be rotated only
    side to side. We do not
    recommend splitting up the dual
    rear wheels. Rotate them side to
    side as a set. After tire rotation,
    inflation pressures must be
    adjusted for the tires new
    positions in accordance with
    vehicle requirements.
    Note:
    When installing 17-inch dual
    rear wheels, align the valve stems
    facing each other.
    393
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    							USING SNOW CHAINS
    WARNING
    Snow tires must be the same size,
    load index, speed rating as those
    originally provided by Ford. Use of
    any tire or wheel not recommended by
    Ford can affect the safety and
    performance of your vehicle, which could
    result in an increased risk of loss of vehicle
    control, vehicle rollover, personal injury and
    death. Additionally, the use of
    non-recommended tires and wheels could
    cause steering, suspension, axle, transfer
    case or power transfer unit failure. Note:
    Do not use snow chains on vehicles
    with 20 inch wheels and tires.
    The tires on your vehicle have all-weather
    treads to provide traction in rain and snow.
    However, in some climates, you may need
    to use snow tires and cables. If you need
    to use cables, it is recommended that steel
    wheels (of the same size and
    specifications) be used, as cables may chip
    aluminum wheels.
    Note: The suspension insulation and
    bumpers will help prevent vehicle damage.
    Do not remove these components from your
    vehicle when using snow tires and chains.
    Follow these guidelines when using snow
    tires and chains:
    • If possible, avoid fully loading your
    vehicle
    • Use only SAE Class S chains.
    • Install chains securely, verifying that
    the chains do not touch any wiring,
    brake lines or fuel lines. •
    Drive cautiously. If you hear the chains
    rub or bang against your vehicle, stop
    and retighten the chains. If this does
    not work, remove the chains to prevent
    damage to your vehicle.
    • Remove the tire chains when they are
    no longer needed. Do not use tire
    chains on dry roads.
    If you have any questions regarding snow
    chains or cables, please contact your
    authorized dealer.
    TIRE PRESSURE MONITORING
    SYSTEM
    Vehicle Tire Pressure Monitoring
    System WARNING
    The tire pressure monitoring system
    is not a substitute for manually
    checking tire pressures. You should
    periodically check tire pressures using a
    pressure gauge. Failure to correctly
    maintain tire pressures could increase the
    risk of tire failure, loss of control, vehicle
    rollover and personal injury. Each tire, including the spare (if
    provided), should be checked
    monthly when cold and inflated
    to the inflation pressure recommended by
    the vehicle manufacturer on the vehicle
    placard or tire inflation pressure label. (If
    your vehicle has tires of a different size
    than the size indicated on the vehicle
    placard or tire inflation pressure label, you
    should determine the proper tire inflation
    pressure for those tires.)
    394
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    							As an added safety feature, your vehicle
    has been equipped with a Tire Pressure
    Monitoring System (TPMS) that
    illuminates a low tire pressure telltale
    when one or more of your tires is
    significantly under-inflated. Accordingly,
    when the low tire pressure telltale
    illuminates, you should stop and check
    your tires as soon as possible, and inflate
    them to the proper pressure. Driving on a
    significantly under-inflated tire causes the
    tire to overheat and can lead to tire failure.
    Under-inflation also reduces fuel efficiency
    and tire tread life, and may affect the
    vehicle
    ’s handling and stopping ability.
    Please note that the TPMS is not a
    substitute for proper tire maintenance, and
    it is the driver ’s responsibility to maintain
    correct tire pressure, even if under-inflation
    has not reached the level to trigger
    illumination of the TPMS low tire pressure
    telltale.
    Your vehicle has also been equipped with
    a TPMS malfunction indicator to indicate
    when the system is not operating properly.
    The TPMS malfunction indicator is
    combined with the low tire pressure
    telltale. When the system detects a
    malfunction, the telltale will flash for
    approximately one minute and then remain
    continuously illuminated. This sequence
    will continue upon subsequent vehicle
    start-ups as long as the malfunction exists.
    When the malfunction indicator is
    illuminated, the system may not be able
    to detect or signal low tire pressure as
    intended. TPMS malfunctions may occur
    for a variety of reasons, including the
    installation of replacement or alternate
    tires or wheels on the vehicle that prevent
    the TPMS from functioning properly.
    Always check the TPMS malfunction
    telltale after replacing one or more tires or
    wheels on your vehicle to ensure that the
    replacement or alternate tires and wheels
    allow the TPMS to continue to function
    properly. This device complies with Part 15 of the
    FCC Rules and with Industry Canada
    license-exempt RSS standard(s).
    Operation is subject to the following two
    conditions:
    •
    This device may not cause harmful
    interference.
    • This device must accept any
    interference received, including
    interference that may cause undesired
    operation.
    Changing Tires With a Tire Pressure
    Monitoring System Note:
    Each road tire is equipped with a tire
    pressure sensor located inside the wheel
    and tire assembly cavity. The pressure
    sensor is attached to the valve stem. The
    pressure sensor is covered by the tire and is
    not visible unless the tire is removed. Take
    care when changing the tire to avoid
    damaging the sensor.
    You should always have your tires serviced
    by an authorized dealer.
    Check the tire pressure periodically (at
    least monthly) using an accurate tire
    gauge. See Inflating Your Tires in this
    chapter.
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    							Understanding Your Tire Pressure
    Monitoring System
    Single Rear Wheel
    Dual Rear Wheel The tire pressure monitoring system
    measures pressure in your road tires and
    sends the tire pressure readings to your
    vehicle. The low tire pressure warning light
    will turn on if the tire pressure is
    significantly low. Once the light is
    illuminated, one or more of your tires are
    under-inflated and needs to be inflated to
    the manufacturer
    ’s recommended tire
    pressure. Even if the light turns on and a
    short time later turns off, your tire pressure
    still needs to be checked.
    When Your Temporary Spare Tire is
    Installed
    When one of your road tires needs to be
    replaced with the temporary spare, the
    system will continue to identify an issue to
    remind you that the damaged road wheel
    and tire assembly needs to be repaired and
    put back on your vehicle.
    To restore the full function of the tire
    pressure monitoring system, have the
    damaged road wheel and tire assembly
    repaired and remounted on your vehicle.
    When You Believe Your System is Not
    Operating Properly
    The main function of the tire pressure
    monitoring system is to warn you when
    your tires need air. It can also warn you in
    the event the system is no longer capable
    of functioning as intended. See the
    following chart for information concerning
    your tire pressure monitoring system:
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    							Customer action required
    Possible cause
    Low tire pressure
    warning light
    Make sure tires are at the proper pres-
    sure. See Inflating your tires in this
    chapter. After inflating your tires to the
    manufacturer’s recommended pressure
    as shown on the Tire Label (located on
    the edge of driver ’s door or the B-Pillar),
    the vehicle must be driven for at least
    two minutes over 20 mph (32 km/h)
    before the light turns off.
    Tire under inflated
    Solid warning light
    Repair the damaged road wheel and tire
    assembly and reinstall it on the vehicle
    to restore system function. For a
    description on how the system functions,
    see When your temporary spare tire
    is installed in this section.
    Spare tire in use
    If the tires are properly inflated and the
    spare tire is not in use but the light
    remains on, contact your authorized
    dealer as soon as possible.
    Tire pressure monitoring
    system malfunction
    On vehicles with different front and rear
    tire pressures, the system must be
    retrained following every tire rotation.
    See 
    Tire Care (page 377).
    Tire rotation without
    sensor training
    Repair the damaged road wheel and tire
    assembly and reinstall it on the vehicle
    to restore system function. For a
    description on how the system functions,
    see 
    When your temporary spare tire
    is installed in this section.
    Spare tire in use
    Flashing warning
    light
    If the tires are properly inflated and the
    spare tire is not in use but the light
    remains on, contact your authorized
    dealer as soon as possible.
    Tire pressure monitoring
    system malfunction
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