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Home >> Kia >> 2017 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 90 (Front Suspension System (Except HEV)) >> Front Lower Arm >> Repair Procedures >> Remove

Repair Procedures: Remove

WARNING: This page is about a different variant/trim than selected.
  1. 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)

    Fig 1: Wheel And Tire
    G12141427Courtesy of KIA MOTORS AMERICA, INC.
    CAUTION: Be careful not to damage the hub bolts when removing the wheel & tire.
  2. 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)

    Fig 2: Locating Lower Arm Nut And Pin
    G12141428Courtesy of KIA MOTORS AMERICA, INC.
  3. Remove 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).
      Fig 3: Locating Sub Body Bolt
      G12141429Courtesy 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) of the sub body bolt to broaden the gap of the front knuckle.
      Fig 4: Locating Sub Body And Bolt
      G12141430Courtesy of KIA MOTORS AMERICA, INC.
    4. Install the safe wire (A).
      Fig 5: Locating Safe Wire
      G12141431Courtesy of KIA MOTORS AMERICA, INC.
    5. Install the main body (A) between the front strut and the lower arm.
      Fig 6: Locating Main Body
      G12141432Courtesy of KIA MOTORS AMERICA, INC.
    6. To avoid the main body coming off, install a fixing clamp (A) beside the main body.
      Fig 7: Locating Main Body Fixing Clamp
      G12141433Courtesy of KIA MOTORS AMERICA, INC.
    7. After installing the body (A), rotate the handle (B) clockwise until the clamp is fixed on the lower arm.
      Fig 8: Rotating Handle Clockwise
      G12141434Courtesy of KIA MOTORS AMERICA, INC.
    8. Tighten the main body bolt (A) slowly and remove the lower arm from the front knuckle.
    Fig 9: Locating Main Body Bolt
    G12141435Courtesy of KIA MOTORS AMERICA, INC.
  4. Remove the lower arm (A) from the sub frame.

    Tightening torque: 

    1. B: 117.7 - 137.3 N.m (12.0 - 14.0 kgf.m, 86.8 - 101.3 lb.ft)
    2. C: 156.9 - 176.5 N.m (16.0 - 18.0 kgf.m, 115.7 - 130.2 lb.ft)
    Fig 10: Locating Sub Frame Lower Arm And Bolts
    G12141436Courtesy of KIA MOTORS AMERICA, INC.
  5. Install in the reverse order of removal.
  6. Check the wheel Alignment.

    (Refer to Tires/Wheels - "ALIGNMENT ")