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Home >> Kia >> 2016 >> Optima SX Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 39 (Front Suspension System (HEV)) >> Front Lower Arm >> 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 ~ 107.9N.m(9.0 ~ 11.0kgf.m, 65.1 ~ 79.6lb-ft)

    Fig 1: Removing Front Wheel & Tire
    G11816340Courtesy of KIA MOTORS AMERICA, INC.
    CAUTION: Be careful not to damage to the hub bolts when removing the front wheel & tire.
  2. Loosen the bolt & nut and then remove the lower arm (A).

    Tightening torque: 

    98.1 ~ 117.7N.m(10.0 ~ 12.0kgf.m, 72.3 ~ 86.6lb-ft)

    Fig 2: Removing Lower Arm
    G11816341Courtesy 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: Removing Bolts From Front Knuckle
      G11816342Courtesy of KIA MOTORS AMERICA, INC.
    2. Input the sub body (A) between the front knuckle and the sub body bolt.
    3. Tighten bolt (B) of the sub body bolt to broaden the gap of the front knuckle.
      Fig 4: Inserting Sub Body Between Front Knuckle And Sub Body Bolt
      G11816343Courtesy of KIA MOTORS AMERICA, INC.
    4. Install the safe wire (A).
      Fig 5: Installing Safe Wire
      G11816344Courtesy of KIA MOTORS AMERICA, INC.
      NOTE: Install a safe wire on the front strut to prevent dropping the SST and hurting technicians.
    5. Install the main body, between the front strut and the lower arm.
      Fig 6: Installing Main Body Between Front Strut And Lower Arm
      G11816345Courtesy of KIA MOTORS AMERICA, INC.
    6. To avoid the main body coming off, install a fixing clamp (A) beside the main body.
      Fig 7: Installing Fixing Clamp Of Main Body
      G11816346Courtesy of KIA MOTORS AMERICA, INC.
    7. After installing a fixing clamp, rotate the handle (B) clock wise till the clamp is fixed on a lower arm.
      Fig 8: Rotating Handle Clockwise Until Fixed On Lower Arm
      G11816347Courtesy of KIA MOTORS AMERICA, INC.
    8. Tighten a main body bolt (A) off slowly and remove the lower arm from the front knuckle.
      Fig 9: Removing Lower Arm From Front Knuckle
      G11816348Courtesy of KIA MOTORS AMERICA, INC.
  4. Loosen the bolts and nuts and then remove the front lower arm (A).

    Tightening torque 

    Front: 

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

    Rear: 

    137.3 ~ 156.9N.m(14.0 ~ 16.0kgf.m, 101.3 ~ 115.7lb-ft)

    Fig 10: Removing Front Lower Arm Bolts (1 Of 2)
    G11816349Courtesy of KIA MOTORS AMERICA, INC.
    Fig 11: Removing Front Lower Arm Nuts (2 Of 2)
    G11816350Courtesy of KIA MOTORS AMERICA, INC.
  5. Installation is the reverse of removal.