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Home >> Kia >> 2020 >> Optima EX >> Repair and Diagnosis >> External Pages >> Different car >> Section 168 (Front Suspension System) >> Sub Frame >> Repair Procedures >> Removal
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Repair Procedures: Removal

WARNING: This page is about a different car, the 2021 Kia Seltos. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the (-) battery terminal.
  2. Remove the universal joint (B) after loosening the bolt (A).

    Tightening torque: 

    32.3 - 37.2 N.m (3.3 - 3.8 kgf.m, 23.8 - 27.4 lb.ft)

    G13481293Courtesy of KIA MOTORS AMERICA, INC.
    NOTE:
    • Do not reuse the bolt.
    • Lock the steering wheel in the straight ahead position to prevent the damage of the clock spring inner cable.
    • Assemble so that the universal joint hole is inserted matching the cut surface of the pinion shaft.
  3. Remove the front wheel and tire.

    (Refer to Suspension System - "WHEEL ")

  4. Disconnect the stabilizer bar link (B) from the front strut assembly after loosening the nut.

    Tightening torque: 

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

    G13481294Courtesy of KIA MOTORS AMERICA, INC.
    NOTE:
    • When loosening the nut, fix the outer hexagon (B) of stabilizer bar link.
    • Be careful not to damage the stabilizer link boots.
    • There is a high possibility of damaging the dust cover when detaching using a spanner.
  5. Disconnect the tie rod end ball joint from the knuckle by using the SST.
    1. Remove the snap pin (A).
    2. Remove the lock nut (B).

      Tightening torque: 

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

      G13481295Courtesy of KIA MOTORS AMERICA, INC.
    3. Disconnect the tie rod end ball joint from the knuckle by using the SST (09568-1S100).
    G13481296Courtesy of KIA MOTORS AMERICA, INC.
    CAUTION: Secure the SST (09568-1S100) with a wire.
  6. Loosen the lower arm mounting bolt and nut.

    Tightening torque: 

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

    G13481297Courtesy of KIA MOTORS AMERICA, INC.
  7. Detach the front lower arm from the front knuckle using the SST (0K545-A9100).
    1. After removing bolts from the front knuckle, install and tighten the sub body bolt (A).
      G13481298Courtesy of KIA MOTORS AMERICA, INC.
    2. Insert the sub body (B) between the front knuckle and the sub body bolt.
    3. Tighten the bolt (C) sub body to broaden the gap of the front knuckle.
      G13481299Courtesy of KIA MOTORS AMERICA, INC.
    4. Install the main body (A) after fixing it with a wire to prevent SST from falling.
      G13481300Courtesy of KIA MOTORS AMERICA, INC.
    5. After installing the body (A), rotate the handle (B) clockwise until the clamp is fixed on the lower arm.
      G13481301Courtesy of KIA MOTORS AMERICA, INC.
    6. Tighten the main body bolt (A) slowly and remove the lower arm from the front knuckle.
    G13481302Courtesy of KIA MOTORS AMERICA, INC.
  8. Remove the engine room under cover.

    G 1.6 T-GDI GAMMA  (Refer to Engine Mechanical System - "ENGINE ROOM UNDER COVER ")

    G 2.0 MPI NU  (Refer to Engine Mechanical System - "ENGINE ROOM UNDER COVER ")

  9. Support the sub frame with a jack and then remove the roll rod bracket (A).

    Tightening torque: 

    Bolt (B): 107.8 - 127.4 N.m (11 - 13 kgf.m, 79.5 - 94.0 lb.ft)

    G13481303Courtesy of KIA MOTORS AMERICA, INC.
  10. Disconnect the front muffler rubber hanger (A).
    G13481304Courtesy of KIA MOTORS AMERICA, INC.
  11. Remove the sub frame from the body by loosening the mounting bolts and nuts.

    Tightening torque: 

    Bolts (B): 44.1 - 58.8 N.m (4.5 - 6.0 kgf.m, 32.5 - 43.4 lb.ft), Bolt (C): 176.6 - 196.2 N.m (18.0 - 20.0 kgf.m, 130.1 - 144.6 lb.ft)

    Nuts (D): 176.6 - 196.2 N.m (18.0 - 20.0 kgf.m, 130.1 - 144.6 lb.ft)

    G13481305Courtesy of KIA MOTORS AMERICA, INC.
  12. Remove the stabilizer bar (A) by loosening the bolts.

    Tightening torque 

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

    G13481306Courtesy of KIA MOTORS AMERICA, INC.
  13. Remove the heat protector (A) by loosening the bolts.

    Tightening torque 

    6.9 - 10.8 N.m (0.7 - 1.1 kgf.m, 5.1 - 8.0 lb.ft)

    G13481307Courtesy of KIA MOTORS AMERICA, INC.
  14. Remove the steering gear box (A) by loosening the bolts.

    Tightening torque 

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

    G13481308Courtesy of KIA MOTORS AMERICA, INC.
  15. Remove the lower arm (A) from the sub frame.

    Tightening torque 

    B: 117.7 - 137.3 N.m (12.0 - 14.0 kgf.m, 86.8 - 101.3 lb.ft)

    C: 157.0 - 176.6 N.m (16.0 - 18.0 kgf.m, 115.7 - 130.2 lb.ft)

    G13481309Courtesy of KIA MOTORS AMERICA, INC.
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