KIA Niro: Front Hub / Knuckle

Components

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

Front Hub / Knuckle / Repair Procedures

Removal

1. Remove the wheel and tire.

Tightening torque : 107.9 - 127.5 N*m (11.0 - 13.0 kgf*m, 79.6 - 94.0 lb*ft)

Warning

Be careful not to damage the wheel nuts when removing the wheel and tire.

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

Warning

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.

3. Remove the caulking nut (A) from the front axle.

Tightening torque : 274.6 - 294.2 N*m (28.0 - 30.0 kgf*m, 202.5 - 217.0 lb*ft)

Warning

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)

4. Remove the front caliper.

   (Refer to Brake System - "Front disck brake")

5. Remove the wheel speed sensor bolt (A).

Tightening torque : 6.8 - 10.7 N*m (0.7 - 1.1 kgf*m, 5.0 - 7.9 lb*ft)

6. Remove the tie rod end pin (A) and nub (B).

Tightening torque : 78.4 - 98.0 N*m (8.0 - 10.0 kgf*m, 57.8 - 72.3 lb*ft)

7. Remove the knuckle by using the SST (09568-34000).

8. Loosen the pin (A), and then remove the lower arm nut (B).

Tightening torque : 98.0 - 117.6 N*m (10.0 - 12.0 kgf*m, 72.3 - 86.7 lb*ft)

9. Loosen the strut bolt and then remove the front axle.

Tightening torque : 156.9 - 176.5 N*m (16.0 - 18.0 kgf*m, 115.7 - 130.2 Ib*ft)

Disassembly

1. Loosen the screw, and then remove the brake disc.

Tightening torque : 4.9 - 5.8 N*m (0.5 - 0.6 kgf*m, 3.6 - 4.3 Ib*ft)

2. Remove the hub assembly mounting bolts from the knuckle.

Tightening torque : 88.2 - 107.8 N*m (9.0 - 11.0 kgf*m, 65.0 - 79.5 lb*ft)

3. Loosen the dust cover bolts and then remove the dust cover.

Tightening torque : 6.8 - 10.7 N*m (0.7 - 1.1 kgf*m, 5.0 - 7.9 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.

Removal and
Installation

1. Remove the front wheel and tire.

   (Refer to Suspension System - "Wheel")

2. Disconnect the front wheel speed sensor (A).

Tightening torque : 7.8 - 11.8 N*m (0.8 - 1.2 kgf*m, 5.8 - 8.7 lb*ft)

3. Disconnect the brake hose bracket (A) by loosening the bolt.

Tightening torque : 8.8 - 13.7 N*m (0.9 - 1.4 kgf*m, 6.5 - 10.1 lb*ft)

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

Warning

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.

5. Remove the caulking nut (A) from the front axle.

Tightening torque: 274.6 - 294.2 N*m (28.0 - 30.0 kgf*m, 202.5 - 217.0 lb*ft)

Warning

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)

6. Remove the front brake disc.

   (Refer to Brake System - "Front Disc Brake")

7. Using a SST (09517-4E000), disconnect the driveshaft from the axle hub.

Warning

Do not pull or twist excessively to remove the axle when the drive shaft is disassembled.

8. Loosen the bolts and remove the hub bearing assembly (A) from the front knuckle.

Tightening torque: 88.3 - 107.9 N*m (9.0 - 11.0 kgf*m, 65.1 - 79.6 lb*ft)

9. Install in the reverse order of removal.

READ NEXT: