Suspension System

Rear Subframe

20steps
~120min
4/5difficulty
050100150200250156.9116N·mlb·ft
Tightening torque found on this page
Done 0 of 20

Repair Procedures

Removal

  1. Disconnect the negative (-) battery cable.

  2. Remove the rear wheel and tire.

    (Refer to Tires/Wheels — "Wheel")

  3. Remove the lower cover (A).

  4. Loosen the bolt and nut (A), then remove the rear lower arm from the rear axle.

    Tightening torque: 137.3–157 N·m

  5. Loosen the bolt and nut (A) and remove the rear shock absorber from the rear lower arm.

    Tightening torque: 137.3–157 N·m

  6. Loosen the bolt and nut (A), then disconnect the rear stabilizer link from the rear lower arm.

    Tightening torque: 58.8–69 N·m

  7. Remove the rear coil spring (A).

  8. Remove the rear axle assembly.

    (Refer to Driveshaft and Axle — Rear Hub — Carrier)

  9. Remove the rear muffler.

    G 2.0 NU MPI (Refer to Engine Mechanical System — Muffler)

    G 2.5 GDI THETA II (Refer to Engine Mechanical System — Muffler)

  10. Support the jack and loosen the subframe bolts and nuts.

    Tightening Torque

    Bolt (A): 176.5 – 196 N·m lb·ft)

    Nut (B): 176.5 – 196 N·m lb·ft)

  11. Loosen the bolts and remove the rear subframe support (A).

    Tightening Torque: 44.1–59 N·m

  12. Slowly lower the jack to remove the rear subframe.

  13. Loosen the bolt and nut and remove the rear upper arm (A) from the rear subframe.

    Tightening torque: 137.3–157 N·m

  14. Loosen the bolt and nut and remove the rear auxiliary arm (A) from the rear subframe.

    Tightening torque: 107.8–118 N·m

  15. Loosen the bolts and nuts and remove the rear lower arm (A) from the rear subframe.

    Tightening torque: 107.8–118 N·m

  16. Remove the bolts securing the stabilizer bar bracket and remove the rear stabilizer bar (A).

    Tightening Torque: 44.1–54 N·m

Inspection

  1. Inspect the bushing for wear and damage.

  2. Check that all bolts and nuts are present.

Installation

  1. Install in the reverse order of removal.

  2. Check the alignment.

    (See Suspension System - Alignment)

Test yourself

A quick Kia Optima DL3 quiz: every answer comes with an explanation and a link to the manual page.