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Home >> Hyundai >> 2019 >> Elantra Value Edition >> Repair and Diagnosis >> Drivelines & Axles >> Wheel Hubs >> Front Axle Assembly >> Front Hub/Knuckle >> Repair Procedures >> Replacement
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Repair Procedures: Replacement

  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 the front hub.

    Tightening torque: 

    107.9 ~ 127.5 N.m (11.0 ~ 13.0 kgf.m, 79.6 ~ 94.0 lb-ft)

    G12972761Courtesy of HYUNDAI MOTOR AMERICA
    NOTE:
    • Be careful not to damage the hub bolts when removing the front wheel and tire (A).
  3. Loosen the driveshaft caulking nut (A).
    G12972762Courtesy of HYUNDAI MOTOR AMERICA
    NOTE:
    • The driveshaft lock nut should be replaced with new ones.
    • After installation driveshaft lock nut, stake the lock nut using a chisel and hammer as shown in the illustration below.

      Caulking depth:  1.5 mm (0.591 in.)

      G12972763Courtesy of HYUNDAI MOTOR AMERICA
  4. Loosen the brake hose mounting bolt and then remove the brake hose bracket.

    Tightening torque: 

    8.8 ~ 13.7 N.m (0.9 ~ 1.4 kgf.m, 6.5 ~ 10.1 lb-ft)

    G12972764Courtesy of HYUNDAI MOTOR AMERICA
  5. Put down the caliper body by loosening the guided rod bolt.

    Tightening torque:  2.2 ~ 3.2 kgf.m

    G12972765Courtesy of HYUNDAI MOTOR AMERICA
  6. Remove the pad return spring (A).
    G12972766Courtesy of HYUNDAI MOTOR AMERICA
    NOTE:
    • Pad return springs must be replaced with new ones whenever pads are replaced.
    • Technicians should be careful not to deform pad return springs.
    • When pad return springs are deformed, it may cause improper braking, more fuel consumption.
  7. Remove the brake pad.
    G12972767Courtesy of HYUNDAI MOTOR AMERICA
  8. Separate the pad retainer. And remove the caliper carrier by loosening the caliper mounting bolts.

    Tightening torque: 

    78.5 ~ 98.1 N.m (8.0 ~ 10.0 kgf.m, 57.9 ~ 72.3 lb-ft)

    G12972768Courtesy of HYUNDAI MOTOR AMERICA
  9. Remove the tie rod end ball joint.
    1. Remove the split pin (C).
    2. Loosen the nut (B).
    3. Using SST (09568-1S100), separate the ball joint (A) from the knuckle.

    Tightening torque: 

    23.5 ~ 33.3 N.m (2.4 ~ 3.4 kgf.m, 17.4 ~ 24.6 lb-ft)

    G12972769Courtesy of HYUNDAI MOTOR AMERICA
    G12972770Courtesy of HYUNDAI MOTOR AMERICA
  10. Loosen the lower arm nut (A) and then remove the lower arm ball joint by using SST (09568-1S100).

    Tightening torque: 

    58.8 ~ 70.6 N.m (6.0 ~ 7.2 kgf.m, 43.4 ~ 52.1 lb-ft)

    G12972771Courtesy of HYUNDAI MOTOR AMERICA
    G12972772Courtesy of HYUNDAI MOTOR AMERICA
    NOTE: Do not reuse the lower arm lock nut (A).
  11. Loosen the bolt and then remove the wheel speed sensor (A).

    Tightening torque: 

    7.8 ~ 11.8 N.m (0.8 ~ 1.2 kgf.m, 5.8 ~ 8.7 lb-ft)

    G12972773Courtesy of HYUNDAI MOTOR AMERICA
  12. Loosen the screw and the remove the front disc.

    Tightening torque: 

    4.9 ~ 5.9 N.m (0.5 ~ 0.6 kgf.m, 3.6 ~ 4.3 lb-ft)

    G12972774Courtesy of HYUNDAI MOTOR AMERICA
  13. Loosen the strut mounting bolts (A), nuts (B) and then remove the knuckle assembly (A).

    Tightening torque: 

    156.9 ~ 176.5 N.m (16.0 ~ 18.0 kgf.m, 115.7 ~ 130.2 lb-ft)

    G12972775Courtesy of HYUNDAI MOTOR AMERICA
  14. To install, reverse the removal procedure
  15. Check the alignment.

    (Refer to Suspension System - "ALIGNMENT ")