Kia Forte: Motor Driven Power Steering / Steering Column and Shaft

Kia Forte 2019-2024 (BD) Service Manual / Steering System / Motor Driven Power Steering / Steering Column and Shaft

Repair procedures

Removal and Installation

1.	Disconnect the battery negative terminal.

2.	Turn the steering wheel so that the front wheels are facing straight ahead.

3.	Remove the driver airbag module. (Refer to Restraint - "Driver Airbag (DAB) Module and Clock Spring")

4.	Disconnect the steering wheel connector (A).

Loosen the bolt (A) and then remove the steering wheel (B).

Tightening torque:

44.1 - 49.0 N·m (4.5 - 5.0 kgf·m, 32.5 - 36.2 lb·ft)

•	When removing the steering wheel, do not impact it by hammering as it may damage the steering column.

•	Do not reuse the steering lock bolt.

•	When assembling, match the gear teeth as the below illustration.

6.	Remove the steering column shroud panel. (Refer to Body - "Steering Column Shroud Panel")

7.	Remove the clock spring. (Refer to Restraint - "Driver Airbag (DAB) Module and Clock Spring")

8.	Remove the multifunction switch assembly. (Refer to Body Electrical System - "Multifunction Switch")

9.	Remove the crash pad lower panel. (Refer to Body - "Crash pad lower panel")

10.	Disconnect the MDPS connector (A).

11.	Disconnect all connectors connected to the steering column.

12.

Loosen the bolt (A) and then remove the universal joint (B).

Tightening torque :

32.4 - 37.3 N·m (3.3 - 3.8 kgf·m, 23.9 - 27.5 lb·ft)

•	Do not reuse the bolt.

•	Lock the steering wheel in the straight ahead position to prevent the damage of the clock spring inner cable.

•	When assembling, insert the shark pin (B) into the universal joint yoke slot (A) as the below illustration.

13.

Loosen the steering column lower mounting bolt (A).

Tightening torque :

53.9 - 58.8 N·m (5.5 - 6.0 kgf·m, 39.8 - 43.4 lb·ft)

14.

Loosen the steering column upper mounting nuts (A) and then remove the steering column & shaft (B).

Tightening torque :

24.5 - 29.4 N·m (2.5 - 3.0 kgf·m, 18.1 - 21.7 lb·ft)

15.	Install in the reverse order of removal.

16.	Perform the "Steering Angle Sensor (SAS) Calibration" and "EPS Type Recognition".

Disassembly

Universal joint assembly

Loosen the bolt and then remove the universal joint assembly (A).

Tightening torque :

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

Do not reuse the bolt.

2.	Assemble in the reverse order of disassembly.

Key lock assembly

1.	Make a groove on the head of special bolts (A) by a punch.

2.	Loosen the special bolt using a screw driver and then remove the key lock assembly from the steering column assembly.

3.	Reassembly is the reverse of the disassembly.

Inspection

1.	Check the steering column for damage and deformation.

2.	Check the joint bearing for damage and wear.

3.	Check the tilt bracket for damage and cracks.

Diagnosis with KDS

Steering Angle Sensor (SAS) Calibration

•	Check that the battery is fully charged before "Steering Angle Sensor (SAS) Calibration".

•	Be careful not to disconnect any cables connected to the vehicle or scan tool during "Steering Angle Sensor (SAS) Calibration".

•	After completing the "Steering Angle Sensor (SAS) Calibration", switch off the ignition and wait for several seconds. Then, start the engine to confirm normal operation of the vehicle.

1.	Connect self-diagnosis connector (16pins) located under the driver side crash pad to self-diagnosis device, and then turn the self-diagnosis device after key is ON.

2.	Select the "vehicle model" and "Motor Driven Power Steering" on KDS vehicle selection screen.

3.	Select the "Steering Angle Sensor (SAS) Calibration" on KDS screen, then select OK.

4.	Proceed with the test according to the screen instructions.

EPS Type Recognition

•	Check that the battery is fully charged before "EPS Type Recognition".

•	Be careful not to disconnect any cables connected to the vehicle or scan tool during "EPS Type Recognition".

•	After completing the "EPS Type Recognition", switch off the ignition and wait for several seconds. Then, start the engine to confirm normal operation of the vehicle.

1.	Connect self-diagnosis connector (16pins) located under the driver side crash pad to self-diagnosis device, and then turn the self-diagnosis device after key is ON.

2.	Select the "vehicle model" and "Motor Driven Power Steering" on KDS vehicle selection screen.

3.	Select the "EPS Type Recognition" on KDS screen, then select OK.

4.	Proceed with the test according to the screen instructions.

5.	Remove the DTC.

6.	Turn off the IG switch and wait for 10 seconds or more before starting the engine. And then make sure that MDPS works properly.

MDPS Column and Housing

Repair procedures Removal 1. Remove the steering column and shaft assembly. (Refer to Motor Driven Power Steering - "Steering Column and Shaft") ...

Steering Gear Box

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