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Wheel and Tire: Assembly

NOTE: Damage to the Tire Pressure Monitoring System (TPMS) sensor may result if the tire mounting is not carried out as instructed.
    NOTE: Lubricate the tire beads using a suitable fast drying, corrosion-inhibiting tire bead lubricant. Use of anything other than tire bead lubricant may result in damage to the Tire Pressure Monitoring System (TPMS) sensor.
    NOTE: Do not mount the tire at this time.
  1. Position the wheel on the turntable of the tire machine, then lubricate and position the bottom bead of the tire on the wheel.
  2. Position the wheel to align the valve stem with the machine arm at the 12 o'clock position and mount the bottom bead of the tire.
    Fig 1: Positioning Valve Stem With Machine Arm At 12 O'Clock Position And Mount Bottom Bead Of Tire
    G06064952Courtesy of FORD MOTOR CO.
  3. Reposition the wheel to align the valve stem with the machine arm at the 12 o'clock position and mount the top bead of the tire.
    Fig 2: Repositioning Valve Stem With Machine Arm At 12 O'Clock Position And Mount Bottom Bead Of Tire
    G06064953Courtesy of FORD MOTOR CO.
    4. NOTE: Use only the Digital Tire Pressure Gauge any time tire pressures are measured to make sure that accurate values are obtained.
  4. Using the Digital Tire Pressure Gauge, inflate the tire to the pressure specified on the Vehicle Certification (VC) label located on the driver door or door pillar.
    • Proceed to Step 5 if the tire beads do not seat at the specified inflation pressure.
    5. WARNING: If there is a need to exceed the maximum pressure indicated on the sidewall of the tire, in order to seat the beads, follow ALL the steps listed below. Failure to follow these steps may result in serious personal injury.
  5. The following steps should only be carried out if the tire beads cannot be seated by inflating the tire up to the maximum inflation pressure listed on the tire sidewall  .
    1. Relubricate the tire bead and wheel bead seat area.
    2. Install a remote valve and pressure gauge.
    3. Wear eye and ear protection and stand at a minimum of 3.65 m (12 ft) away from the wheel and tire assembly.
    4. Inflate tire using the remote valve and pressure gauge until the beads have seated or until the pressure gauge is 138 kPa (20 psi) more than maximum inflation pressure on tire sidewall. If beads have not seated, deflate the tire and proceed to the next step.
    5. Place the wheel and tire assembly in an OSHA-approved tire safety cage.
    6. Inflate the tire using the remote valve and pressure gauge until the beads have seated or until the pressure gauge is 276 kPa (40 psi) more than maximum inflation pressure on the tire sidewall. Do not exceed 276 kPa (40 psi) above the maximum pressure on tire sidewall. Install a new tire if the beads do not seat at this pressure  .
  6. Install the wheel and tire. For additional information, refer to WHEEL AND TIRE .
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