Hyundai i-30: Front Axle Assembly. Front Hub / Knuckle / Repair procedures

Hyundai i30 (PD) 2018-2025 Service Manual / Driveshaft and axle / Front Axle Assembly. 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.
Remove the front brake caliper.
(Refer to Brake System - "Front Disc Brake")
4.
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.)

5.
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 - 34.3 N.m (2.5 - 3.5 kgf.m, 18.1 - 25.3 lb-ft)

6.
Loosen the screw and then remove the front disc.
Tightening torque :
4.9 - 5.9 N.m (0.5 - 0.6 kgf.m, 3.6 - 4.3 lb-ft)

7.
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).
8.
Remove the driveshaft (A) from the front axle assembly (B).
9.
Loosen the bolt and then remove the wheel speed sensor (A).
Tightening torque :
6.9 - 10.8 N.m (0.7 - 1.1 kgf.m, 5.1 - 8.0 lb-ft)

10.
Remove the hub bearing from the front knuckle.
Tightening torque :
49.1 - 58.9 N.m (5.0 - 6.0 kgf.m, 36.2 - 43.4 lb-ft)

11.
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)

12.
Loosen the strut mounting bolts, nuts and then remove the knuckle assembly.
Tightening torque :
156.9 - 176.5 N.m (16.0 - 18.0 kgf.m, 115.7 - 130.2 lb-ft)

13.
To install, reverse the removal procedure
14.
Check the alignment.
(Refer to Suspension System - "Alingment")
Inspection
1.
Check the hub for cracks and the splines for wear.
2.
Check the brake disc for scoring and damage.
3.
Check the knuckle for cracks.
4.
Check the bearing for cracks or damage.

    Components and components location

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    Driveshaft Assembly

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    Other information:

    Hyundai i30 (PD) 2018-2025 Service Manual: Repair procedures


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    Components and components location Components No Connector A Connector B Connector C 1 - IGN 2 Relay output Battery signal 2 SSB Switch 1 input C CAN (Low) - 3 Driver door antenna switch input C CAN (High) Immoblizer antenna power 4 - B CAN (High) Driver out side handle antenna power 5 - B CAN (Low) Assist out side handle antenna power 6 - SSB Illumination (orange) Bumper antenna power 7 RPM Input - Interior antenna 1 power 8 Start signal feedback input SSB Illumination (+) output Interior antenna 2 power 9 clutch switch input ESCL enable output Interior antenna 3 power 10 - Battery power - 11 Starter relay output IGN 1 Relay output - 12 Power 1 ESCL COM - 13 SSB Switch 2 input EMS COM ESCL (-) output 14 Assist door antenna switch input - Immoblizer antenna ground 15 - SSB Illumination (-) output Driver out side handle antenna ground 16 Clutch switch input SSB LED Output Assist out side handle antenna ground 17 ESCL unlock swtich input SSB LED IGN Output Bumper antenna ground 18 Wheel speed sensor input External buzzer Interior antenna 1 ground 19 ACC Input - Interior antenna 2 ground 20 IGN 1 ESCL (+) output Interior antenna 3 ground 21 Brake switch input - 22 ACC Relay input GND Power 2 Schematic diagrams Circuit Diagram Repair procedures Removal Smart Key Unit 1...

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