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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 89 (Front Axle Assembly (HEV)) >> Front Hub Knuckle >> Repair Procedures >> Replacement

Repair Procedures: Replacement

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  1. Loosen the wheel nuts slightly.

    Raise the vehicle, and make sure it is securely supported.

  2. Remove the front wheel and tire (A) from front hub.

    Tightening torque: 

    88.2 ~ 107.8 N.m (9.0 ~ 11.0 kgf.m, 65.0 ~ 79.5 lb-ft)

    Fig 1: Identifying Front Wheel And Tire
    G10588895Courtesy of HYUNDAI MOTOR AMERICA
    CAUTION: Be careful not to damage to the hub bolts when removing the front wheel and tire (A).
  3. Remove the brake caliper mounting bolts, and then place the brake caliper assembly (B) with wire.

    Tightening torque: 

    78.4 ~ 98.0 N.m (8.0 ~ 10.0 kgf.m, 57.8 ~ 72.3 lb-ft)

    Fig 2: Identifying Brake Caliper Assembly
    G10588896Courtesy of HYUNDAI MOTOR AMERICA
  4. Remove driveshaft nut (A) from the front hub under applying the brake.

    Tightening torque: 

    215.7 ~ 254.9 N.m (20.0 ~ 26.0 kgf.m, 159.1 ~ 188.0 lb-ft)

    Fig 3: Identifying Driveshaft Nut
    G10588897Courtesy of HYUNDAI MOTOR AMERICA
    CAUTION:
    • The front hub lock nut should be replaced with new ones.
    • After installation lock nut, stake the lock nut using a chisel and hammer as shown in the illustration below.
    Fig 4: Staking Lock Nut Using Chisel And Hammer
    G10588898Courtesy of HYUNDAI MOTOR AMERICA
  5. Loosen the front brake disc mount screw and then remove the front brake disc (A).

    Tightening torque: 

    4.9 ~ 5.8 N.m (0.5 ~ 0.6 kgf.m, 3.6 ~ 4.3 lb-ft)

    Fig 5: Locating Front Brake Disc Mount Screw
    G10588899Courtesy of HYUNDAI MOTOR AMERICA
  6. Remove the tie rod end ball joint (A) from the knuckle.
    1. Remove the split pin (C).
    2. Remove the castle nut (B).

      Tightening torque: 

      34.3 ~ 44.0 N.m (3.5 ~ 4.5 kgf.m, 25.3 ~ 32.5 lb-ft)

      Fig 6: Tie Rod End Ball Joint, Slip Pin & Castle Nut
      G10588900Courtesy of HYUNDAI MOTOR AMERICA
  7. Loosen the mount bolt and then remove the wheel speed sensor (B) from knuckle.

    Tightening torque: 

    6.8 ~ 10.7 N.m (0.7 ~ 1.1 kgf.m, 5.0 ~ 7.9 lb-ft)

    Fig 7: Identifying Wheel Speed Sensor
    G10588901Courtesy of HYUNDAI MOTOR AMERICA
  8. Remove the lower arm (A) from the knuckle.

    Tightening torque: 

    98.0 ~ 117.6 N.m (10.0 ~ 12.0 kgf.m, 72.3 ~ 86.7 lb-ft)

    Fig 8: Removing Lower Arm From Knuckle
    G10588902Courtesy of HYUNDAI MOTOR AMERICA
  9. Disconnect the driveshaft (A) from the front hub assembly.
    Fig 9: Identifying Driveshaft
    G10588903Courtesy of HYUNDAI MOTOR AMERICA
  10. Loosen the strut mount bolts and then remove the knuckle assembly (A).

    Tightening torque: 

    137.2 ~ 156.9 N.m (14.0 ~ 16.0 kgf.m, 101.2 ~ 115.7 lb-ft)

    Fig 10: Locating Strut Mount Bolts
    G10588904Courtesy of HYUNDAI MOTOR AMERICA
  11. Install in the reverse order of removal.
  12. Check the alignment.

    (Refer to Suspension System - "ALIGNMENT ')