Kia Optima Hybrid Owner's Manual Quiz
Suspension System

Front Crossmember Repair Procedures

In this manual: Suspension System
General Information — 4Engine Mechanical System — 50Engine Electrical System — 20Emission Control System — 30Engine Control System/Fuel System — 84Automatic Transmission — 98Drive Shaft and Axle — 15Suspension System — 36Steering — 12Restraints — 50Brake System — 38Body (Interior and Exterior) — 54Body Electrical System — 233Heating, Ventilation, and Air Conditioning — 57
14steps
~84min
3/5difficulty
04080120160200107.980N·mlb·ft
Tightening torque found on this page
Done 0 of 14

Replacement

  1. Remove the front wheel and tire.

    Tightening torque: 88.3 ~ 108 N·m
    Be careful not to damage the hub bolts when removing the front wheel and tire.
  2. Loosen the bolt (A) and disconnect the universal joint assembly from the steering gear.

    Tightening torque: 29.4 – 34 N·m
    Lock the steering wheel in the straight-ahead position to prevent damage to the inner cable of the clock spring when handling the steering wheel.
  3. Remove the cotter pin and castle nut, then disconnect the tie rod end (A) from the front steering knuckle.

    Tightening torque: 34.3 to 44 N·m

  4. Loosen the bolt and nut, and remove the lower arm (A).

    Tightening torque: 98.1 ~ 118 N·m

  5. Remove the front lower arm from the front steering knuckle using SST (0K545-A9100).
    1. After removing the bolts from the front steering knuckle, install and tighten the body support bolt (A).
    2. Insert the auxiliary body (A) between the front steering knuckle and the auxiliary body bolt.
    3. Tighten the auxiliary body mounting bolt (B) to increase the clearance of the front steering knuckle.
    4. Install the safety wire (A).
      Attach the safety wire to the front strut to prevent the SST from falling and injuring the technician.
    5. Install the main body between the front strut and the lower arm.
    6. To prevent the main body from separating, install the locking clamp (A) next to the main body.
    7. After installing the locking clamp, turn the handle (B) clockwise until the clamp engages the lower arm.
    8. Slowly tighten the main body bolt (A) and remove the lower arm from the front steering knuckle.
  6. After loosening the nut, disconnect the stabilizer link (B) from the front strut assembly (A).

    Tightening torque: 98.1 ~ 118 N·m

  7. Remove the under cover (A).
  8. Loosen the bolt (A) and nut (B), then remove the roller rod stopper (A).

    Tightening torque: 107.9 - 128 N·m

  9. Disconnect the muffler rubber mount (A).
  10. Loosen the bolts and nuts and remove the subframe (A). Tightening Torque Subframe mounting bolts and nuts: 156.9 ~ 176 N·m (16.0 ~ 18.0 kgf·m, 115.7 ~ 130.2 ft-lbf) Subframe mounting bolts and nuts: 44.1 ~ 59 N·m
  11. Remove the front lower arm. (Refer to Front Lower Arm)
  12. Remove the front stabilizer bar. (Refer to Front Stabilizer Bar)
  13. Remove the steering gear. (Refer to Group ST - "Steering Gear")
  14. Installation is the reverse of removal.

Test yourself

A quick Kia Optima Hybrid Owner's Manual quiz: every answer comes with an explanation and a link to the manual page.