Hyundai Ioniq: Motor Driven Power Steering / Steering Gear Box. Repair procedures
| 1. | Loosen the bolt (A) and then disconnect the universal joint assembly from the pinion of the steering gear box. Tightening torque : M8 BOLT : 32.4 - 37.3 N.m (3.3 - 3.8 kgf.m, 23.9 - 27.5 lb-ft) M10 BOLT : 49.0 - 58.8 N.m (5.0 - 6.0 kgf.m, 36.2 - 43.4 lb-ft) |
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| Lock the steering wheel in the straight ahead position to prevent the damage of the clock spring inner cable. |
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| When assembling, insert the shark pin into the universal joint york slot as the illustration below. |
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| 2. | Loosen the wheel nuts slightly. Raise the vehicle, and make sure it is securely supported. |
| 3. | Remove the front wheel and tire (A) from the front hub. Tightening torque : 107.9 - 127.5 N.m (11.0 - 13.0 kgf.m, 79.6 - 94.0 lb-ft) |
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| 4. | Remove the tie rod end ball joint. | (1) | Rmove the split pin (C). |
| (3) | Using SST(09568-1S100), separate the ball joint (A) from the knuckle. Tightening torque : 78.5 - 98.1 N.m (8.0 - 10.0 kgf.m, 57.9 - 72.3 lb-ft) |
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| 5. | Loosen the lower arm nut and then remove the lower arm ball joint by using SST(09568-1S100). | (1) | Rmove the split pin (B). |
| (2) | Loosen the nut (C) and washer (D). |
| (3) | Using SST(09568-1S100), separate the ball joint (A) from the knuckle. Tightening torque : 78.5 - 98.1 N.m (8.0 - 10.0 kgf.m, 57.9 - 72.3 lb-ft) |
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| Do not reuse the lower arm lock nut (A). |
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| 6. | Disconnect the stabilizer link with the front strut assembly after loosening the nut. T ightening torque : 98.1 - 117.7 N.m (10.0 - 12.0 kgf.m, 72.3 - 86.8 lb-ft) |
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| When loosening the nut, fix the outer hexagon of stabilizer bar link. |
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| Be careful not to damage the stabilizer link boots. |
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| 7. | Remove the front subframe. (Refer to Suspension System - "Sub Frame") |
| 8. | Remove the protector (A). Ti ghtening torque : 6.9 - 10.8 N.m (0.7 - 1.1 kgf.m, 5.1 - 8.0 lb-ft) |
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| 9. | Remove the steering gearbox from the front sub frame by loosening the mounting bolts. Tightening torque : 88.2 - 107.8 N.m (9.0 - 11.0 kgf.m, 65.0 - 79.5 lb-ft) |
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| 10. | To install, reverse the removal procedure. |
| 11. | Check the front alignment. (Refer to Suspension System - "Front Alignment") |
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| Do not disassembly the steering gear box. |
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| If disassembly the steering gear box, the quality (Noise / cleanliness / functions) is not guaranteed. 
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