| SONATA(YF) >2012 > G 2.4 GDI > Steering System > Electric Power Steering > Steering Gear box>Repair procedures - Revised |

Replacement

1. | Remove the front wheel & tire.

Tightening torque :
88.3 ~ 107.9N.m(9.0 ~ 11.0kgf.m, 65.1 ~ 79.6lb-ft)

Be careful not to damage to the hub bolts when removing the front wheel & tire.

2. | Disconnect the stabilizer link (B) with the front strut assembly (A) after loosening the nut.

Tightening torque :
98.1 ~ 117.7N.m(10.0 ~ 12.0kgf.m, 72.3 ~ 86.8lb-ft)

3. | Remove the split pin and castle nut and then disconnect the tie-rod end (A) from the front knuckle.

Tightening torque :
34.3 ~ 44.1N.m(3.5 ~ 4.5kgf.m, 25.3 ~ 32.5lb-ft)

4. | 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 ~ 86.8lb-ft)

5. | Loosen the bolt (A) and then disconnect the universal joint assembly from the pinion of the steering gear box.

Tightening torque :
32.4 ~ 37.3N.m(3.3 ~ 3.8kgf.m, 23.9 ~ 27.5lb-ft)

Lock the steering wheel in the straight ahead position to prevent the damage of the clock spring inner cable when you handle the steering wheel.

6. | Loosen the bolt (A) & nut (B) and then remove the front roll stopper.

Tightening torque :
107.9 ~ 127.5N.m(11.0 ~ 13.0kgf.m, 79.6 ~ 94.0lb-ft)

7. | Loosen the rear roll stopper mounting bolts (A).

Tightening torque :
49.0 ~ 63.7N.m(5.0 ~ 6.5kgf.m, 36.2 ~ 47.0lb-ft)

8. | Disconnect the muffler rubber hanger (A).

9. | Loosen the bolts & nuts and then remove the sub frame.

Tightening torque :
Sub frame mounting bolts & nuts:
156.9 ~ 176.5N.m(16.0 ~ 18.0kgf.m, 115.7 ~ 130.2lb-ft)
Sub frame bracket bolts:
44.1 ~ 58.8N.m(4.5 ~ 6.0kgf.m, 32.5 ~ 43.4lb-ft)

10. | Loosen the bolt and then remove the protactor.

11. | Loosen the bolt and then remove the steering gear box (A).

Tightening torque :
88.3 ~ 107.9N.m(9.0 ~ 11.0Kgf.m, 65.1 ~ 79.6lb-ft)

12. | Installation is the reverse of the removal.

13. | Check the alignment. (Refer to SS group 'Tires/Wheels - alingment')

Replacement

1. | Remove the front wheel & tire.

Tightening torque :
88.3 ~ 107.9N.m(9.0 ~ 11.0kgf.m, 65.1 ~ 79.6lb-ft)

Be careful not to damage to the hub bolts when removing the front wheel & tire.

2. | Disconnect the stabilizer link (B) with the front strut assembly (A) after loosening the nut.

Tightening torque :
98.1 ~ 117.7N.m(10.0 ~ 12.0kgf.m, 72.3 ~ 86.8lb-ft)

3. | Remove the split pin and castle nut and then disconnect the tie-rod end (A) from the front knuckle.

Tightening torque :
34.3 ~ 44.1N.m(3.5 ~ 4.5kgf.m, 25.3 ~ 32.5lb-ft)

4. | 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 ~ 86.8lb-ft)

5. | Loosen the bolt (A) and then disconnect the universal joint assembly from the pinion of the steering gear box.

Tightening torque :
32.4 ~ 37.3N.m(3.3 ~ 3.8kgf.m, 23.9 ~ 27.5lb-ft)

Lock the steering wheel in the straight ahead position to prevent the damage of the clock spring inner cable when you handle the steering wheel.

6. | Remove the under cover (A).

7. | Loosen the bolt & nut and then remove the roll rod stopper (A).

8. | Disconnect the muffler rubber hanger (A).

9. | Loosen the bolts & nuts and then remove the sub frame.

Tightening torque :
Sub frame mounting bolts & nuts:
156.9 ~ 176.5N.m(16.0 ~ 18.0kgf.m, 115.7 ~ 130.2lb-ft)
Sub frame bracket bolts:
44.1 ~ 58.8N.m(4.5 ~ 6.0kgf.m, 32.5 ~ 43.4lb-ft)

10. | Loosen the bolt and then remove the protactor.

11. | Loosen the bolt and then remove the steering gear box (A).

Tightening torque :
88.3 ~ 107.9N.m(9.0 ~ 11.0Kgf.m, 65.1 ~ 79.6lb-ft)

12. | Installation is the reverse of the removal.

13. | Check the alignment. (Refer to SS group 'Tires/Wheels - alingment')

Disassembly

1. | Remove the dust packing & cap (A) from the pinion housing.

2. | Loosen the lock nut and then remove the tie rod end (B) and lock nut (A) from the tie rod.

3. | Remove the bellows clip (A) and band (B) and then pull the bellows (C) away from the end of the tie rod.

4. | Remove the tie rod (B) from the rack bar (A) by unscrewing the tie rod inner ball joint.

5. | Remove the plug (A) from the pinion housing.

6. | Remove the oil seal (B) from the plug (A).

7. | Remove the yoke plug (A) and spring (B) and then pull out the support yoke (C).

8. | Remove the O-ring (B) from the support yoke assembly (A).

9. | Pull the pinion assembly (A) out of the pinion housing.

10. | Pull the rack bar (A) out of the rack housing.

11. | Reassembly is the reverse of the disassembly.

Inspection

1. | Rack bar

A. | Check the rack gear for damage.

B. | Check the rack bar for bend and deformation.

2. | Pinion assembly

A. | Check the pinion gear for damage

B. | Check the oil seal for damage.

3. | Check the inside of rack housing for damage.

4. | Check the bellows for being torn.