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Home >> Kia >> 2017 >> Forte S >> Repair and Diagnosis >> Suspension >> Wheel Alignment >> Front Suspension System & Front Alignment >> Sub Frame >> 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 front hub.

    Tightening torque: 

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

    Fig 1: Locating Front Wheel And Tire
    G12163742Courtesy of KIA MOTORS AMERICA, INC.
    CAUTION:
    • Be careful not to damage to the hub bolts when removing the front wheel and tire (A).
  3. Disconnect the stabilizer link (A) from the front strut assembly 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: Locating Stabilizer Link With Nut
    G12163743Courtesy of KIA MOTORS AMERICA, INC.
  4. Remove the tie rod end ball joint (A) from the knuckle by using the SST (09568-34000).
    • Remove the split pin (B).
    • Remove the castle nut (C).
    • Use the SST (09568-34000).

    Tightening torque: 

    23.5 - 33.3 N.m (2.4 - 3.4 kgf.m, 19.4 - 24.6 lb.ft)

    Fig 3: Locating Tie Rod End Ball Joint, Split Pin And Castle Nut
    G12163744Courtesy of KIA MOTORS AMERICA, INC.
    Fig 4: Removing Tie Rod End Ball Joint From Knuckle By Using SST (09568-34000)
    G12163745Courtesy of KIA MOTORS AMERICA, INC.
    CAUTION:
    • When using SST, be sure not to damage the dust cover of lower arm ball joint.
    • Keep SST tied to the car because there is a risk of injury by dropping the SST during removing the lower arm ball joint.
    • The peripheral parts may be damaged when removing the lower arm ball joint with a general tool such as lever, so be sure to use SST.
  5. Remove the lower arm (A) from the knuckle by using the SST (09568-34000).

    Tightening torque: 

    78.5 - 88.3 N.m (8.0 - 9.0 kgf.m, 57.9 - 65.1 lb.ft)

    Fig 5: Locating Lower Arm With Nut
    G12163746Courtesy of KIA MOTORS AMERICA, INC.
    Fig 6: Removing Lower Arm From Knuckle By Using SST (09568-34000)
    G12163747Courtesy of KIA MOTORS AMERICA, INC.
    CAUTION:
    • When using SST, be sure not to damage the dust cover of lower arm ball joint.
    • Keep SST tied to the car because there is a risk of injury by dropping the SST during removing the lower arm ball joint.
    • The peripheral parts may be damaged when removing the lower arm ball joint with a general tool such as lever, so be sure to use SST.
  6. Loosen the bolt and then disconnect the universal joint assembly (A) 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 7: Locating Universal Joint Assembly With Bolt
    G12163748Courtesy of KIA MOTORS AMERICA, INC.
    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.
    • Do not use the bolt again.
  7. Loosen the bolt & nut and then separate the roll rod stopper (A).

    Tightening torque: 

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

    Fig 8: Locating Roll Rod Stopper With Bolt And Nut
    G12163749Courtesy of KIA MOTORS AMERICA, INC.
  8. Disconnect the muffler rubber hanger (A).
    Fig 9: Locating Muffler Rubber Hanger
    G12163750Courtesy of KIA MOTORS AMERICA, INC.
  9. Loosen the bolts & nuts and then remove the sub frame (A).

    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 stay mounting bolt 

    44.1 - 53.9 N.m (4.5 - 5.5 kgf.m, 32.5 - 39.8 lb.ft)

    Fig 10: Locating Sub Frame With Bolts And Nuts
    G12163751Courtesy of KIA MOTORS AMERICA, INC.
  10. Remove the front lower arm.

    (Refer to Front Suspension System - "FRONT LOWER ARM ")

  11. Remove the front stabilizer bar.

    (Refer to Front Suspension System - "FRONT STABILIZER BAR ")

  12. Remove the steering gearbox.

    (Refer to REMOVAL AND INSTALLATION Steering System - "Steering Gearbox")

  13. Installation is the reverse of removal.
  14. Check the front alignment.

    (Refer to Front Suspension System - "FRONT ALIGNMENT ")