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Home >> Kia >> 2019 >> Optima EX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 204 (Front Suspension System (PHEV)) >> Sub Frame >> Repair Procedures >> Removal

Repair Procedures: Removal

WARNING: This page is about a different variant/trim than selected.
  1. Turn ignition OFF and disconnect the negative (-) battery cable.
  2. Remove the universal joint bolt (A).

    Tightening torque  :

    29.4 - 34.3 N.m (3.0 - 3.5 kgf.m, 21.7 - 25.3 lb.ft)

    G13156425Courtesy of KIA MOTORS AMERICA, INC.
    CAUTION:
    • Keep the neutral-range to prevent the damage the clock spring inner cable when you handle the steering wheel.
    • Do not use the bolt again.
  3. Remove the wheel and tire.

    Tightening torque  :

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

    G13156426Courtesy of KIA MOTORS AMERICA, INC.
    CAUTION: Be careful not to damage the hub bolts when removing the front wheel & tire.
  4. Remove the under cover.

    (Refer to Engine mechanical system - "ENGINE ROOM UNDER COVER ")

  5. Remove the tie rod end ball joint (C) from the knuckle by using the SST (09568-34000).
    1. Remove the split pin (A).
    2. Remove the castle nut (B).
    3. Use the SST (09568-34000).

      Tightening torque  :

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

      G13156427Courtesy of KIA MOTORS AMERICA, INC.
      G13156428Courtesy of KIA MOTORS AMERICA, INC.
      CAUTION:
      • When using SST, be careful not to damage the dust cover of lower arm ball joint.
      • Keep SST tied to the car as there is risk of injury when the SST is dropped while removing the lower arm ball joint.
      • Be sure to use SST when removing the lower arm ball joint as general tool such as lever may damage the peripheral parts.
  6. Loosen the pin (A), and then remove the lower arm nut (B).

    Tightening torque  :

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

    G13156429Courtesy of KIA MOTORS AMERICA, INC.
  7. Remove the stabilizer link nut (A).

    Tightening torque  :

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

    G13156430Courtesy of KIA MOTORS AMERICA, INC.
  8. Remove the muffler hanger.
    G13156431Courtesy of KIA MOTORS AMERICA, INC.
  9. Loosen the bolts & nuts and then remove the sub frame (D).

    Tightening torque  :

    Bolt:

    1. 44.1-58.8 N.m (4.5-6.0 kgf.m, 32.5-43.4 lb.ft)
    2. 156.9 - 176.5 N.m (16.0 - 18.0 kgf.m, 115.7 - 130.2 lb.ft)

      Nut:

    3. 156.9 - 176.5 N.m (16.0 - 18.0 kgf.m, 115.7 - 130.2 lb.ft)
    G13156432Courtesy of KIA MOTORS AMERICA, INC.
  10. Loosen the bolts (A) and then remove the heat protector.

    Tightening torque  :

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

    G13156433Courtesy of KIA MOTORS AMERICA, INC.
  11. Loosen the gear box mounting bolts (A) and then remove the gear box.

    Tightening torque  :

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

    G13156434Courtesy of KIA MOTORS AMERICA, INC.
  12. Loosen the stabilizer bar mounting bolts (A) and then remove the stabilizer bar.

    Tightening torque  :

    49.0 - 63.7 N.m (5.0 - 6.5 kgf.m, 36.2 - 47.0 lb.ft)

    G13156435Courtesy of KIA MOTORS AMERICA, INC.
  13. Install in the reverse order of removal.
  14. Check the wheel alignment.

    (Refer to Suspension System - "ALIGNMENT ")