Kia Picanto: Driveshaft and axle / Front Axle Assembly

Kia Picanto JA 2017-2022 Service & Repair Manual / Driveshaft and axle / Front Axle Assembly

Components and components location
Components

1. Snap ring
2. Bearing
3. Axle assembly
4. Brake disc dust cover
5. Wheel hub assembly
6. Wheel brake disc
7. Brake disc fixing screw
8. Wheel / Tire
9. Wheel nut

Repair procedures
Removal
1.
Remove the front/rear wheel tire (A).
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 wheel nuts when removing the front wheel and tire.
2.
Remove the brake caliper mounting bolts (A), and then hold the brake caliper assembly with wire.
Tightening torque:
78.4 - 98.0 N·m (8.0 - 10.0 kgf·m, 57.8 - 72.3 lb·ft)

3.
By hammering on a chisel, unlock the driveshaft lock hub nut caulking.

   
If there is screw thread (A) on the end of the nut, unlock the caulking by using a chisel and then loosen the nut to prevent damaging driveshaft screw thread.

4.
Remove the caulking nut from the front axle.
Tightening torque:
274.6 - 294.2 N·m (28.0 - 30.0 kgf·m, 202.5 - 217.0 lb·ft)

   
The driveshaft lock nut must be replaced with new one. When replacing the drive lock hub nut, use only the nut with screw thread (A) on the end.

Tighten the driveshaft lock hub nut to the specified tightening torque, and caulk by using a chisel and hammer.
If there are two key seats, perform on all two seats.
Caulking depth (A) : 1.5 mm (0.0591 in)

5.
Loosen the bolt and then remove the wheel speed sensor.
Tightening torque:
6.9 - 10.8 N·m (0.7 - 1.1 kgf·m, 5.1 - 8.0 lb·ft)

6.
Remove the pin and nut from the tie rod end ball joint.
Tightening torque:
24.5 - 34.3 N·m (2.5 - 3.5 kgf·m, 18.1 - 25.3 lb·ft)

7.
Remove the tie rod end ball joint from the knuckle by using the SST (09568-1S100).

8.
Remove the lower arm bolt and nut (A).
Tightening torque:
58.8 - 70.6 N·m (6.0 - 7.2 kgf·m, 43.4 - 52.1 lb·ft)

9.
Remove the front lower arm from the front knuckle using the SST (0K545-A9100).
(1)
After removing bolts from the front knuckle, install and tighten the sub body bolt (A) .

(2)
Input the sub body (B) between the front knuckle and the sub body bolt.
(3)
Tighten the bolt (C) of the sub body to broaden the gap of the front knuckle.

(4)
Install the safe wire.

   
Install a safe wire on the front strut to prevent dropping the SST and injuring technicians.
(5)
Install the main body (A) between the front strut and the lower arm.
(6)
To avoid the main body coming off, install a fixing clamp (B) beside the main body.

(7)
After installing a body, rotate the handle (A) clockwise util the clamp is fixed on the lower arm.

(8)
Tighten the main body bolt (A) slowly and remove the lower arm from the front knuckle.

10.
Loosen the screw and then remove the brake disc.
Tightening torque:
4.9 - 5.9 N·m (0.5 - 0.6 kgf·m, 3.6 - 4.3 lb·ft)

11.
Loosen the front strut bolts and nuts and then remove the knuckle assembly (A).
Tightening torque:
98.0 - 117.6 N·m (10.0 - 12.0 kgf·m, 72.3 - 86.7 lb·ft)

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.
Disassembly
1.
Remove the snap ring (A).

2.
Remove the hub assembly from the knuckle assembly.
(1)
Install the front knuckle assembly (A) on press.
(2)
Lay a suitable adapter (B) upon the hub assembly shaft.

3.
Remove the hub bearing inner race from the hub assembly.
(1)
Install the hub bearing inner race removal tool (A) on the hub assembly.
(2)
Fix the hub assembly and the removal tool (A) on the suitable adapter (B).
(3)
Mount the suitable adapter (C) on the hub assembly shaft.
(4)
Operate the press to remove hub bearing inner race (D) from the hub assembly.

4.
Remove the hub bearing outer race from the knuckle assembly.
(1)
Fix the knuckle assembly (A) on the suitable adapter (B).
(2)
Mount the suitable adapter (C) on the hub bearing outer race.
(3)
Operate the press to remove hub bearing outer race from the knuckle assembly.

5.
Replace hub bearing with a new one.
Reassembly
1.
Install the hub bearing to the knuckle assembly.
(1)
Fix the knuckle assembly (A) on a press.
(2)
Mount a new hub bearing on the knuckle assembly (A).
(3)
Mount the suitable adapter (B) on the hub bearing.
(4)
Operate the press to install the hub bearing to the knuckle assembly.

   
Do not press against the inner race of the hub bearing because that can cause damage to the bearing assembly.
Always use a new wheel bearing assembly.
2.
Install the hub assembly to the knuckle assembly.
(1)
Fix the hub assembly (A) on the suitable adapter.
(2)
Mount the knuckle assembly (B) on the hub assembly (A).
(3)
Mount the suitable adapter (C) on the hub bearing.
(4)
Operate the press to install the hub assembly (A) to the knuckle assembly (B).

   
Do not press against the inner race of the hub bearing because that can cause damage to the bearing assembly.
   

For ABS/VDC equipped, be sure to check the install direction of hub bearing ( If the hub bearing is installed oppositely, ABS/VDC warning light will be illuminate)
3.
Install the snap ring (A).

Driveshaft and axle
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Driveshaft Assembly
...

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