Hyundai Sonata LF: Front Suspension System / Front Stabilizer Bar Repair procedures
| 1. |
Raise the vehicle, and make sure it is securely supported. |
| 2. |
Remove the wheel cap (A). 
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Be careful not to damage to the wheel cap (A) when removing the it. |
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| 3. |
Remove the front wheel and tire (A) from front hub.
Tightening torque :
88.3 ~ 107.9N.m (9.0 ~ 11.0 kgf.m, 65.1 ~ 79.6 lb-ft)
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Be careful not to damage to the hub bolts when removing the front wheel and tire (A). |
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| 4. |
Remove driveshaft nut (A) from the front hub under applying the brake.
Tightening torque :
274.6 ~ 294.2 N.m (28.0 ~ 30.0 kgf.m, 202.5 ~ 217.1 lb-ft)
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| • |
The front hub coking nut should be replaced with new ones. |
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After installation coking nut (A), stake the coking nut using a chisel and hammer as shown in the illustration below. 
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| 5. |
Remove the tie rod end ball joint (C) from the knuckle.
| (1) |
Remove the split pin (A). |
| (2) |
Remove the castle nut (B).
Tightening torque :
34.3 ~ 44.1 N.m (3.5 ~ 4.5 kgf.m, 25.3 ~ 32.5 lb-ft)
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| 6. |
Remove the lower arm (A).
| (1) |
Remove the split pin (B). |
| (2) |
Loosen the mounting nut and bolt. 
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| 7. |
Loosen the stabilizer link (A) and remove it from the shock absorber.
Tightening torque :
98.1 ~ 117.7 N.m (10.0 ~ 12.0 kgf.m, 72.3 ~ 86.8 lb-ft)
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| 8. |
Loosen the universal joint bolt(A) and then disconnect the universal joint assembly.
Tightening torque :
32.4 ~ 37.3 N.m (3.3 ~ 3.8 kgf.m, 23.9 ~ 27.5 lb-ft)
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| 9. |
Remove the engine room under cover (A).
Tightening torque :
7.8 ~ 11.8 N.m (0.8 ~ 1.2 kgf.m, 5.8 ~ 8.7 lb-ft)
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| 10. |
Remove the roll rod bracket (A).
Tightening torque :
49.0 ~ 63.7 N.m (5.0 ~ 6.5 kgf.m, 36.2 ~ 47.0 lb-ft)
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| 11. |
Disconnect the muffler rubber hanger (A). 
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| 12. |
Loosen the bolts & nuts and then remove the sub frame (A).
Tightening torque :
Sub frame mounting bolt & nut
156.9 ~ 176.5N.m(16.0 ~ 18.0kgf.m, 115.7 ~ 130.2lb-ft)
Sub frame stay mounting bolt
44.1 ~ 58.8 N.m(4.5 ~ 6.0kgf.m, 32.5~43.4 lb-ft)
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| 13. |
Loosen the mounting bolt and then remove the stabilizer bar (B) from the sub frame (A).
Tightening torque :
49.0 ~ 63.7 N .m (5.0 ~ 6.5 kgf.m, 36.2 ~ 47.0 lb-ft)
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| 14. |
Loosen the nut and then remove the stabilizer link (A) from the stabilizer bar.
Tightening torque :
98.1 ~ 117.7 N.m (10.0 ~ 12.0 kgf.m, 72.3 ~ 86.8 lb-ft)
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| 15. |
Installation is the reverse of removal.
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| 1. |
Check the bushing for wear and deterioration. |
| 2. |
Check the front stabilizer bar for deformation. |
| 3. |
Check the front stabilizer link ball joint for damage |
Replacement
1.
Raise the vehicle, and make sure it is securely supported.
2.
Remove the wheel cap (A).
Be careful not to damage to the wheel cap (A) when removing the it...
Replacement
1.
Raise the vehicle, and make sure it is securely supported.
2.
Remove the wheel cap (A).
Be careful not to damage to the wheel cap (A) when removing the it...
Other information:
Signal Waveform
The three waveforms below are taken from the #1 and #4
injectors. The top waveform is from the high side (feed side) of the #1
and #4 injectors, while the middle waveform is from the low side (ground
side) of the #1 injector and the bottom waveform is from the low side
of the #4 injector...
Inspection
1.
Check the signal waveform of the CMPS and CKPS using the GDS.
Specification: Refer to “Wave Form”
Removal
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DON’T remove the camshaft position sensor while the engine
is running or right after engine is turned off...
Front Lower Arm Repair procedures
Sub Frame Repair procedures