Hyundai Elantra AD: Front Axle Assembly - Driveshaft and axle - Hyundai Elantra AD 2017-2020 Service ManualHyundai Elantra AD: Front Axle Assembly

Front Hub / Knuckle Components and Components Location

Components

1. Brake disc
2. Hub bearing
 3. Dust cover
4. Knuckle

Front Hub / Knuckle Repair procedures

Removal
1. Loosen the wheel nuts slightly.

Raise the vehicle, and make sure it is securely supported.
2. 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)

  
• Be careful not to damage the hub bolts when removing the front wheel and tire (A).
3. Loosen the driveshaft caulking nut (A).

  
• The driveshaft lock nut should be replaced with new ones.
• After installation driveshaft lock nut, stake the lock nut using a chisel and hammer as shown in the illustration below.
Caulking depth : 1.5 mm (0.591 in.)

4. Loosen the brake hose mounting bolt and then remove the brake hose bracket.
Tightening torque :

8.8 ~ 13.7 N.m (0.9 ~ 1.4 kgf.m, 6.5 ~ 10.1 lb-ft)

5. Put down the caliper body by loosening the guided rod bolt.
Tightening torque : 2.2 ~ 3.2 kgf.m

6. Remove the pad return spring (A).

  
• Pad return springs must be replaced with new ones whenever pads are replaced.
• Technicians should be careful not to deform pad return springs.
• When pad return springs are deformed, it may cause improper braking, more fuel consumption.
7. Remove the brake pad.
8. Separate the pad retainer. And remove the caliper carrier by loosening the caliper mounting bolts.
Tightening torque :

78.5 ~ 98.1 N.m (8.0 ~ 10.0 kgf.m, 57.9 ~ 72.3 lb-ft)

9. Remove the tie rod end ball joint.
(1) Rmove the split pin (C).
(2) Loosen the nut (B).
(3) Using SST(09568-1S100), separate the ball joint (A) from the knuckle.
Tightening torque :

23.5 ~ 33.3 N.m (2.4 ~ 3.4 kgf.m, 17.4 ~ 24.6 lb-ft)

10. Loosen the lower arm nut (A) and then remove the lower arm ball joint by using SST(09568-1S100).
Tightening torque :

58.8 ~ 70.6 N.m (6.0 ~ 7.2 kgf.m, 43.4 ~ 52.1 lb-ft)

  
Do not reuse the lower arm lock nut(A).
11. Loosen the bolt and then remove the wheel speed sensor (A).
Tightening torque :

7.8 ~ 11.8 N.m (0.8 ~ 1.2 kgf.m, 5.8 ~ 8.7 lb-ft)

12. Loosen the screw and the remove the front disc.
Tightening torque :

4.9 ~ 5.9 N.m (0.5 ~ 0.6 kgf.m, 3.6 ~ 4.3 lb-ft)

13. Loosen the strut mounting bolts (A), nuts (B) and then remove the knuckle assembly (A).
Tightening torque :

156.9 ~ 176.5 N.m (16.0 ~ 18.0 kgf.m, 115.7 ~ 130.2 lb-ft)

14. To install, reverse the removal procedure
15. Check the alignment.

(Refer to Suspension System - "Alingment")
Disaasembly
1. To reassembly, reverse the disassembly procedure.
Tightening torque :

49.0 ~ 58.8 N.m (5.0 ~ 6.0 kgf.m, 36.2 ~ 43.4 lb-ft)

2. Loosen the mounting bolts and then remova the dust cover.
Tightening torque :

3.9 ~ 5.9 N.m (0.4 ~ 0.6 kgf.m, 2.9 ~ 4.3 lb-ft)

3. Reassembly in the reverse order of disassembly.
General Information
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