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Home >> Lexus >> 2021 >> NX 300 Base, AWD >> Repair and Diagnosis >> Suspension >> Wheel Alignment >> Wheel Alignment - Service Information >> Front Wheel Alignment >> Adjustment [10/2014 - 05/2019] >> Procedure
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Adjustment [10/2014 - 05/2019]: Procedure

  1. INSPECT TIRES 

    Refer to INSPECTION [10/2014 - 09/2015] , or refer to INSPECTION [09/2015 - ]

  2. MEASURE VEHICLE HEIGHT 
    GTY503911Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    NOTE:
    • Before inspecting the wheel alignment, adjust the vehicle height to the specified value.
    • Be sure to perform the measurement on a level surface.
    • If it is necessary to go under the vehicle for measurement, make sure that the parking brake is applied and the vehicle is secured with chocks.
    1. Bounce the vehicle up and down at the corners several times to stabilize the suspension.
    2. Measure the vehicle height.

      Measuring points

      A 

      Ground clearance of center of front lower No. 1 suspension arm bushing set bolt

      B 

      Ground clearance of center of rear No. 2 suspension arm bushing set bolt

      C 

      Ground clearance of center of front wheel

      D 

      Ground clearance of center of rear wheel

      NOTE:

      The standard value shown here is a value that is used for adjusting the wheel alignment and does not indicate the height of an actual vehicle.

      Standard Vehicle Height (Unloaded Vehicle)

      Tire Size Front C - A Rear D - B
      225/65R17 97 mm (3.82 in.) 73 mm (2.87 in.)
      225/60R18 102 mm (4.02 in.) 78 mm (3.07 in.)
      235/55R18 97 mm (3.82 in.) 73 mm (2.87 in.)
  3. INSPECT CAMBER, CASTER AND STEERING AXIS INCLINATION 
    1. Install a camber-caster-kingpin gauge or place the front wheels on the center of a wheel alignment tester.
      GTY372758Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Alignment Tester
      *b Gauge
    2. Inspect the camber, caster and steering axis inclination.

      Standard Camber Inclination (Unloaded Vehicle)

      Camber Inclination Right-left Difference
      -0°10' +/-45'
      (-0.16° +/-0.75°)      		 30' (0.50°) or less

      Standard Caster Inclination (Unloaded Vehicle)

      Caster Inclination Right-left Difference
      6°00' +/-45'
      (6.00° +/-0.75°)      		 30' (0.50°) or less

      Standard Steering Axis Inclination (Unloaded Vehicle)

      Tire Size Steering Axis Inclination
      225/65R17 11°30'
      (11.50°)
      225/60R18 11°35'
      (11.58°)
      235/55R18 11°30'
      (11.50°)
  4. ADJUST CAMBER 
    NOTE:

    Inspect toe-in after the camber has been adjusted.

    1. Remove the front wheel.

      Refer to REMOVAL [10/2014 - ]

    2. Remove the 2 nuts on the lower side of the front shock absorber.
      GTY507249Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Keep the bolts inserted.

    3. Remove the top and bottom bolts one at a time and confirm that the steering knuckle can move freely in the front shock absorber.
      NOTE:

      Do not apply lubricants to the steering knuckle and shock absorber contact surfaces.

      HINT: 

      • Reinstall each bolt after removing it and confirming steering knuckle movement.
      • If the steering knuckle does not move freely in the front shock absorber, clean the installation surfaces of the front shock absorber and the steering knuckle.
    4. Temporarily install the 2 nuts (Step A).
    5. Fully push or pull the front axle hub in the direction of the required adjustment (Step B).
      GTY507204Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Negative Side
      *b Positive Side
    6. Tighten the nuts.
      GTY507249Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 240 N*m (2447 kgf*cm, 177 ft.*lbf) 

      NOTE:

      Prevent the bolts from rotating when tightening the nuts.

    7. Install the front wheel.

      Refer to INSTALLATION [10/2014 - ]

    8. Check the camber.

      Standard Camber Inclination (Unloaded Vehicle)

      Camber Inclination Right-left Difference
      -0°10' +/-45'
      (-0.16° +/-0.75°)      		 30' (0.50°) or less

      HINT: 

      Perform adjustments so that the value is as close as possible to the median of the specified range.

    9. Check the camber.
      GTY375020Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      If the measured value is not within the specification, calculate the required adjustment amount using the formula below.

      Camber adjustment amount = center value of the specified range - measured value.

      Check the combination of installed bolts. Select appropriate bolts from the table below to adjust the camber to the specified values.

      HINT: 

      Try to adjust the camber to the center of the specified range.

      Move Axle toward (+) in Step (B) Move Axle toward (-) in Step (B)
      Refer to table (1) (When moving the axle toward the positive side) Refer to table (2) (When moving the axle toward the negative side)
      NOTE:

      Replace the nut with a new one when replacing a bolt.

      1. Table (1) (To move the axle hub toward the positive side)
        GTY384179Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *A Table (1) (To move the axle hub toward the positive side) *B Selected Bolt Combination
        *a Installed Bolt *b Adjusting Value
        *c Standard Bolt *d 90105-17009
        *e 90105-17010 *f 90105-17011
      2. Table (2) (To move the axle hub toward the negative side)
        GTY362904Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *A Table (2) (To move the axle hub toward the negative side) *B Selected Bolt Combination
        *a Installed Bolt *b Adjusting Value
        *c Standard Bolt *d 90105-17009
        *e 90105-17010 *f 90105-17011
    10. If the camber was out of adjustment in the previous step, perform the adjust camber steps mentioned above. In step A, replace the existing bolts with the selected bolts.

      HINT: 

      Replace one bolt at a time when replacing both bolts.

  5. INSPECT TOE-IN 
    1. Bounce the vehicle up and down at the corners to stabilize the suspension and inspect toe-in.
      GTY380440Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Front of the Vehicle

      Toe-in (Unloaded Vehicle)

      Tire Size A + B
      C - D
      225/65R17 A + B: 0°10' +/-10' (0.16°+/-0.16°)
      C - D: 2.0 +/-2.0 mm (0.08 +/-0.08 in.)
      225/60R18 A + B: 0°10' +/-10' (0.16°+/-0.16°)
      C - D: 1.5 +/-2.0 mm (0.06 +/-0.08 in.)
      235/55R18 A + B: 0°10' +/-10' (0.16°+/-0.16°)
      C - D: 2.0 +/-2.0 mm (0.08 +/-0.08 in.)

      HINT: 

      If the toe-in is not within the specified range, adjust it at the rack ends.

  6. ADJUST TOE-IN 
    1. Make sure that the lengths of the right and left rack ends are almost the same.
      GTY512741Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Difference

      Standard difference

      1.5 mm (0.06 in.) or less

    2. Remove the boot clips.
    3. Loosen the tie rod end lock nuts.
      GTY508233Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Loosen
      *b Turn
    4. Turn the right and left rack ends by an equal amount to adjust the toe-in to the center value.

      Toe-in (Unloaded Vehicle)

      Tire Size A + B
      C - D
      225/65R17 A + B: 0°10' +/-10' (0.16°+/-0.16°)
      C - D: 2.0 +/-2.0 mm (0.08 +/-0.08 in.)
      225/60R18 A + B: 0°10' +/-10' (0.16°+/-0.16°)
      C - D: 1.5 +/-2.0 mm (0.06 +/-0.08 in.)
      235/55R18 A + B: 0°10' +/-10' (0.16°+/-0.16°)
      C - D: 2.0 +/-2.0 mm (0.08 +/-0.08 in.)

      HINT: 

      Perform adjustments so that the value is as close as possible to the median of the specified range.

    5. Tighten the tie rod end lock nuts.

      Torque: 88 N*m (897 kgf*cm, 65 ft.*lbf) 

    6. Place the boots on the seats and install the clips.
      NOTE:

      Make sure that the claws of the clip are facing in the direction that the vehicle travels.

      HINT: 

      Make sure that the boots are not twisted.

  7. INSPECT WHEEL ANGLE 
    GTY367245Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *a Inside
    *b Outside
    Front of the Vehicle
    1. Turn the steering wheel to the left and right full lock positions and measure the turning angle.

      Standard Wheel Turning Angle (Unloaded Vehicle)

      Tire Size Inside Wheel Outside Wheel (Reference)
      225/65R17 35°48' +/-2°
      (35.80° +/-2°)      		 30°32'
      (30.53°)
      225/60R18 35°48' +/-2°
      (35.80° +/-2°)      		 30°32'
      (30.53°)
      235/55R18 35°48' +/-2°
      (35.80° +/-2°)      		 30°32'
      (30.53°)
      1. If the angles are not as specified, check and adjust the right and left rack end lengths.
  8. PLACE FRONT WHEELS FACING STRAIGHT AHEAD 
  9. PERFORM YAW RATE AND ACCELERATION SENSOR CALIBRATION 

    Refer to CALIBRATION [10/2014 - 05/2019]

  10. PERFORM INITIALIZATION 

    Refer to INITIALIZATION [10/2014 - 09/2017] , or refer to INITIALIZATION [09/2017 - 05/2019]

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