Suspension System

Rear Crossmember Repair Procedures

23steps
~138min
4/5difficulty
04080120160200107.880N·mlb·ft
Tightening torque found on this page
Done 0 of 23

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: 88.2 ~ 108 N·m

    Be careful not to damage the hub bolts when removing the front wheel and tire (A).
  4. Remove the brake caliper mounting bolts, then hang the brake caliper assembly (A) with wire.

    Tightening torque: 78.4 ~ 98 N·m

    [General]
    [EPB]
  5. Loosen the mounting screw, then remove the brake disc (A).

    Tightening Torque: 4.9 ~ 5.8 N·m

  6. Loosen the rear upper arm mounting bolt and remove the rear upper arm (A).

    Tightening torque: 137.3 - 157 N·m N·m (14.0 - 16.0 kgf·m, 101.3 - 115.7 ft-lbf)

  7. Disconnect the rear wheel speed sensor connector (A).
  8. Disconnect the parking cable retainer clip (A), then remove the parking cable (B). If equipped with EPB, release the EPB.
  9. Loosen the trailing arm mounting nut (A) and remove the trailing arm (B).

    Tightening torque: 98.1 ~ 118 N·m

  10. Remove the auxiliary arm cover.
  11. Remove the rear lower arm cover.
  12. Loosen the bolt and remove the auxiliary arm.

    Tightening torque: 137.3 - 157 N·m N·m (14.0 - 16.0 kgf·m, 101.3 - 115.7 ft-lbf)

    Install a transmission jack under the lower arm to remove the shock absorber with the suspension unloaded. Record the alignment mark positions before removing the rear lower arm to prevent tightening the bolt and washer in the wrong position or direction.
  13. Loosen the lower arm mounting bolts (A), then remove the knuckle assembly (B).

    Tightening torque: 137.3 - 157 N·m N·m (14.0 - 16.0 kgf·m, 101.3 - 115.7 ft-lbf)

    Install a transmission jack under the lower arm to remove the shock absorber with the suspension unloaded. Record the alignment mark positions before removing the rear lower arm to prevent tightening the bolt and washer in the wrong position or direction.
  14. Loosen the mounting bolt and nut. Then separate the shock absorber from the lower arm.

    Tightening torque: 137.3 - 157 N·m N·m (14.0 - 16.0 kgf·m, 101.3 - 115.7 ft-lbf)

    Install a transmission jack under the lower arm to remove the shock absorber with the suspension unloaded. Record the alignment mark positions before removing the rear lower arm to prevent tightening the bolt and washer in the wrong position or direction.
  15. Remove the rear muffler. (Refer to Engine Mechanical System - "Muffler")
  16. Remove the rear stabilizer bar. (Refer to Rear Suspension System - "Rear Stabilizer Bar")
  17. After installing the jack, loosen the bolts and remove the rear subframe.

    Tightening torque: 156.9 ~ 176 N·m N·m (16.0 ~ 18.0 kgf·m, 115.7 ~ 130.2 ft-lbf)

  18. Remove the rear lower arm. (See Rear Suspension System - "Rear Lower Arm")
  19. Remove the rear shock absorber. (Refer to Rear Suspension System - "Rear Shock Absorber").
  20. Remove the rear upper arm. (Refer to Rear Suspension System - "Rear Upper Arm")
  21. Remove the rear trailing arm. (Refer to Rear Suspension System - "Rear Trailing Arm")
  22. Installation is the reverse of removal.
  23. 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.