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Front Wheel Alignment: Adjustment

  1. INSPECT TIRE (See  TIRE & WHEEL  ) 
  2. MEASURE VEHICLE HEIGHT 
    Fig 1: Identifying Vehicle Height Measurement (2WD)
    G02865537Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    Vehicle height: 

    2WD: 

    VEHICLE HEIGHT SPECIFICATION (2WD)

    Front A - B: 89 mm (3.50 in.)
    Rear D - C: 41 mm (1.61 in.)

    4WD: 

    Fig 2: Identifying Vehicle Height Measurement (4WD)
    G02865538Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    VEHICLE HEIGHT SPECIFICATION (4WD)

    Front A - B: 83 mm (3.27 in.)
    Rear D - C: 38 mm (1.50 in.)

    Measuring points: 

    A: Ground clearance of front wheel center 

    B: Ground clearance of lower suspension arm front bolt center 

    C: (2WD): 

    Ground clearance of axle beam set bolt center (4WD): 

    Ground clearance of rear lower suspension arm rear bolt center 

    D: Ground clearance of rear wheel center 

    NOTE: Before inspecting the wheel alignment, adjust the vehicle height to the specified value.

    If the vehicle height is not within the specified value, try to adjust it by pushing down on or lifting the body.

  3. INSPECT TOE-IN 
    Fig 3: Inspecting Front Wheel Toe-In
    G02865539Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    Toe-in: 

    FRONT WHEEL TOE-IN SPECIFICATION

    Toe-in A + B:0° +/- 12'(0° +/- 0.2°)
    (total) C - D: 0 +/- 2 mm (0 +/- 0.08 in.)

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

  4. ADJUST TOE-IN 
    1. Remove the rack boot set clips.
    2. Loosen the tie rod end lock nuts.
    3. Turn the right and left rack ends by an equal amount to adjust the toe-in.
      NOTE: Try to adjust the toe-in to the center of the specified value.
    4. Make sure that the lengths of the right and left rack ends are the same.
      Fig 4: Checking Length Of Rack End
      G02865540Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Rack end length difference: 1.5 mm (0.059 in.) or less 

    5. Torque the tie rod end lock nuts.

      Torque: 74 N.m (755 kgf.cm, 55 ft.lbf) 

    6. Place the boots on the seats and install the clips.
      NOTE: Make sure that the boots are not twisted.
  5. INSPECT WHEEL ANGLE 
    1. Turn the steering wheel fully and measure the turning angle.

      Wheel turning angle: 

      Fig 5: Inspecting Front Wheel Turning Angle
      G02865541Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      2WD: 

      FRONT WHEEL TURNING ANGLE (2WD)

      Inside Wheel 36° 40' (36.67+/-) +/- 2°
      Outside Wheel: Reference 31° 53' (31.88°)

      4WD: 

      FRONT WHEEL TURNING ANGLE (4WD)

      Inside Wheel 37° 03' (37.05°) +/- 2°
      Outside Wheel: Reference 32° 02' (32.03°)

      If the right and left inside wheel angles differ from the specified value, check the right and left rack end lengths.

  6. INSPECT CAMBER, CASTER AND STEERING AXIS INCLINATION 
    1. Install the camber-caster-kingpin gauge or position vehicle on wheel alignment tester.
      2. Fig 6: Installing Camber-Caster-Kingpin Gauge On Wheel Alignment Tester
      G02865542Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Inspect the camber, caster and steering axis inclination.

      Camber, caster and steering axis inclination: 

      Fig 7: Camber, Caster And Steering Axis Inclination Specification (2WD)
      G02865543Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Fig 8: Camber, Caster And Steering Axis Inclination Specification (4WD)
      G02865544Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      If the caster and steering axis inclination are not within the specified values, after the camber has been correctly adjusted, recheck the suspension parts for damaged and/or worn out parts.

  7. ADJUST CAMBER 
    NOTE: After the camber has been adjusted, inspect the toe-in.
    1. Remove the front wheel.
    2. Remove the 2 nuts on the lower side of the shock absorber assy front LH.
      Fig 9: Removing Nuts On Lower Side Of Shock Absorber Assy Front LH
      G02865545Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE: When removing nut, stop the bolt from rotating and loosen the nut.
    3. Clean the installation surfaces of the shock absorber assy front LH and the steering knuckle.
    4. Temporarily install the 2 nuts.
    5. Adjust the camber by pushing or pulling the lower side of the shock absorber in the direction in which the camber adjustment is required.
    6. Tighten the nuts.

      Torque: 220 N.m (2,243 kgf.cm, 162 ft.lbf) 

    7. Install the front wheel.

      Torque: 103 N.m (1,050 kgf.cm, 76 ft.lbf) 

      Fig 10: Identifying Shock Absorber Nuts
      G02865546Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    8. Check the camber.
      NOTE:
      • Try to adjust the camber to the center of the specified value.
      • Adjusting value for the set bolts is -1 Ω30' - 0°30' (-1.5° - 0.5°).

      If the camber is not within the specified value, using the following table, estimate how much additional camber adjustment will be required, and select the camber adjusting bolt.

      Fig 11: Removing Front Wheel Assy From Shock Absorber
      G02865547Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Fig 12: Setting & Adjusting Bolts Adjusting Value Chart
      G02865548Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    9. Perform the steps mentioned above again. At step ( e), replace 1 or 2 selected bolts.
      NOTE: When replacing the 2 bolts, replace 1 bolt at a time.
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