Hyundai Sonata LF Quiz
Suspension System

Subframe Repair Procedures

In this manual: Suspension System
General Information — 9Engine Mechanical System — 90Engine Electrical System — 58Emission Control System — 24Engine Control System/Fuel System — 114Drive Shaft and Axle — 15Suspension System — 35Steering — 19Restraints — 50Brake System — 54Body (Interior and Exterior) — 213Body Electrical System — 241Heating, Ventilation, and Air Conditioning — 56DCT (Dual Clutch Transmission) System — 52
18steps
~108min
4/5difficulty
04080120160200107.980N·mlb·ft
Tightening torque found on this page
Done 0 of 18

Replacement

  1. Raise the vehicle and make sure it is securely supported.
  2. Remove the wheel cap (A).
    Be careful not to damage the wheel cap (A) when removing it.
  3. Remove the front wheel and tire (A) from the front hub.

    Tightening torque: 88.3 ~ 108 N·m
    Be careful not to damage the hub bolts when removing the front wheel and tire (A).
  4. Remove the driveshaft nut (A) from the front hub while applying the brake. Tightening torque: 274.6 ~ 294 N·m (28.0 ~ 30.0 kgf·m, 202.5 ~ 217.1 lb-ft)
    • Replace the front hub dust cover with a new one.
    • After installing the caulked nut (A), stake the caulked nut using a chisel and hammer, as shown in the illustration below.
  5. Disconnect the tie rod end ball joint (C) from the steering knuckle.
    1. Remove the cotter pin (A).
    2. Remove the castellated nut (B).

      Tightening torque: 34.3 ~ 44 N·m

  6. Remove the lower arm (A).
    1. Remove the cotter pin (B).
    2. Loosen the nut and mounting bolt.
  7. Loosen the stabilizer link (A) and disconnect it from the strut.

    Tightening torque: 98.1 ~ 118 N·m

  8. Loosen the universal joint bolt (A), then disconnect the universal joint assembly.

    Tightening torque: 32.4 ~ 37 N·m

  9. Remove the engine compartment cover (A).

    Tightening torque: 7.8 ~ 11.8 N·m

  10. Remove the idler arm bracket (A).

    Tightening Torque: 49.0 ~ 64 N·m

  11. Disconnect the muffler rubber mount (A).
  12. Loosen the bolts and nuts and remove the subframe (A). Tightening torque: Subframe mounting bolt and nut 156.9 ~ 176 N·m (16.0 ~ 18.0 kgf·m, 115.7 ~ 130.2 lbf·ft) Subframe support bracket bolt 44.1 ~ 59 N·m
  13. Loosen the mounting bolt and remove the stabilizer bar (B) from the subframe (A).

    Tightening Torque: 49.0 ~ 64 N·m

  14. Remove the steering gear. [R-MDPS Type]
    1. Loosen the bolts and remove the portector (A).

      Tightening torque: 7.8 ~ 11.8 N·m

    2. Disconnect all connectors from the ECU.
    3. Loosen the bolts and remove the steering gear box (A).

      Tightening torque: 88.3 ~ 108 N·m

  15. Loosen the bolt and remove the steering gear (A). [C-MDPS Type]

    Tightening torque: 88.3 ~ 108 N·m

  16. Remove the front lower arm (A) and loosen the bolts and nuts. Tightening torque: Front: 117.7 ~ 137 N·m Rear: 156.9 ~ 176 N·m (16.0 ~ 18.0 kgf·m, 115.7 ~ 130.2 ft-lbf)
  17. Installation is the reverse of removal.
  18. Check the wheel alignment. (Refer to Tires/Wheels – Wheel Alignment)

Test yourself

A quick Hyundai Sonata LF quiz: every answer comes with an explanation and a link to the manual page.