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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 86 (Electric Power Steering (HEV)) >> Steering Gear box >> Repair Procedures >> Replacement

Repair Procedures: Replacement

WARNING: This page is about a different variant/trim than selected.
  1. Remove the front wheel & tire.

    Tightening torque:  88.3 ~ 107.9 N.m (9.0 ~ 11.0 kgf.m, 65.1 ~ 79.6 lb-ft)

    Fig 1: Identifying Front Wheel And Tire
    G10589110Courtesy of HYUNDAI MOTOR AMERICA
    CAUTION: Be careful not to damage to the hub bolts when removing the front wheel & tire.
  2. Disconnect the stabilizer link (B) with the front strut assembly (A) after loosening the nut.

    Tightening torque:  98.1 ~ 117.7 N.m (10.0 ~ 12.0 kgf.m, 72.3 ~ 86.8 lb-ft)

    Fig 2: Loosening Stabilizer Link Nut
    G10589111Courtesy of HYUNDAI MOTOR AMERICA
  3. Remove the split pin and castle nut and then disconnect the tie-rod end (A) from the front knuckle.

    Tightening torque:  34.3 ~ 44.1 N.m (3.5 ~ 4.5 kgf.m, 25.3 ~ 32.5 lb-ft)

    Fig 3: Removing Split Pin And Castle Nut
    G10589112Courtesy of HYUNDAI MOTOR AMERICA
  4. Loosen the bolt & nut and then remove the lower arm (A).

    Tightening torque:  98.1 ~ 117.7 N.m (10.0 ~ 12.0 kgf.m, 72.3 ~ 86.8 lb-ft)

    Fig 4: Loosening Lower Arm Bolt And Nut
    G10589113Courtesy of HYUNDAI MOTOR AMERICA
  5. Loosen the bolt (A) and then disconnect the universal joint assembly from the pinion of the steering gear box.

    Tightening torque:  32.4 ~ 37.3 N.m (3.3 ~ 3.8 kgf.m, 23.9 ~ 27.5 lb-ft)

    Fig 5: Loosening Universal Joint Assembly Bolt
    G10589114Courtesy of HYUNDAI MOTOR AMERICA
    CAUTION: Lock the steering wheel in the straight ahead position to prevent the damage of the clock spring inner cable when you handle the steering wheel.
  6. Remove the under cover (A).
    Fig 6: Identifying Under Cover
    G10589115Courtesy of HYUNDAI MOTOR AMERICA
  7. Loosen the bolt & nut and then remove the roll rod stopper (A).
    Fig 7: Loosening Roll Rod Stopper Bolt And Nut
    G10589116Courtesy of HYUNDAI MOTOR AMERICA
  8. Disconnect the muffler rubber hanger (A).
    Fig 8: Identifying Muffler Rubber Hanger
    G10589117Courtesy of HYUNDAI MOTOR AMERICA
  9. Loosen the bolts & nuts and then remove the sub frame.

    Tightening torque: 

    Sub frame mounting bolts & nuts: 

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

    Sub frame bracket bolts: 

    44.1 ~ 58.8 N.m (4.5 ~ 6.0 kgf.m, 32.5 ~ 43.4 lb-ft)

    Fig 9: Identifying Sub Frame
    G10589118Courtesy of HYUNDAI MOTOR AMERICA
    Fig 10: Loosening Sub Frame Nuts And Bolts (1 Of 4)
    G10589119Courtesy of HYUNDAI MOTOR AMERICA
    Fig 11: Loosening Sub Frame Nuts And Bolts (2 Of 4)
    G10589120Courtesy of HYUNDAI MOTOR AMERICA
    Fig 12: Loosening Sub Frame Nuts And Bolts (3 Of 4)
    G10589121Courtesy of HYUNDAI MOTOR AMERICA
    Fig 13: Loosening Sub Frame Nuts And Bolts (4 Of 4)
    G10589122Courtesy of HYUNDAI MOTOR AMERICA
  10. Loosen the bolt and then remove the protactor.
  11. Loosen the bolt and then remove the steering gear box (A).

    Tightening torque:  88.3 ~ 107.9 N.m (9.0 ~ 11.0 kgf.m, 65.1 ~ 79.6 lb-ft)

    Fig 14: Loosening Steering Gear Box Bolt (1 Of 2)
    G10589123Courtesy of HYUNDAI MOTOR AMERICA
    Fig 15: Loosening Steering Gear Box Bolt (2 Of 2)
    G10589124Courtesy of HYUNDAI MOTOR AMERICA
  12. Installation is the reverse of the removal.
  13. Check the alignment.

    (Refer to Suspension System - "ALIGNMENT ')