KIA Niro: Steering System / Repair Procedures
Kia Niro - First generation - (DE) (2017-2022) - Service and Repair Manual / Steering System / Steering System / Repair Procedures
Service Data
Tightening Torques
Service Adjustment procedure
Steering Wheel Play Inspection
- Turn the steering wheel so that the front wheels are facing straight ahead.
- Measure the distance that the steering wheel can be turned without moving the front wheels.
Standard value: 0 - 30mm (1.1811 in.) or less
- If the play exceeds standard value, inspect the steering column, shaft, and linkages.
Checking Stationary Steering Effort
- Position the vehicle on a level surface and place the steering wheel in the straight ahead position.
- Start the engine and turn the steering wheel from lock to lock several times to warm up the power steering fluid.
- Attach a spring scale to the steering wheel. With the idle RPM, pull the scale and read it as soon as the tires begin to turn.
Standard value: 3.0kgf MAX.
- If the measured value exceeds standard value, inspect the steering gear box.
Troubleshooting - Steering System
Symptom :
Play in steering
Probable cause - Remedy
- Loose yoke plug - Retighten
- Loose steering gear mounting bolts - Retighten
- Loose or worn tie rod end - Retighten or replace as necessary
Symptom :
Steering wheel does not return properly
Probable cause - Remedy
- Excessive turning resistance of tie rod end - Replace
- Yoke plug excessively tight - Adjust
- Tie rod and/or ball joint not turning smoothly - Replace
- Loose mounting of gear box mounting bracket and/or worn steering shaft joint - Retighten
- Worn steering shaft joint and/or body grommet - Correct or replace
- Distorted rack - Replace
- Damaged pinion bearing - Replace
Symptom :
Rattling or chucking noise in the rack and pinion
Probable cause - Remedy
- Interference with hoses from vehicle body - Reposition
- Loose gear box bracket - Retighten
- Loose tie rod end and/or ball joint - Retighten
- Worn tie rod and/or ball joint - Replace
READ NEXT:
Electric Power Steering
Description
MDPS (Motor Driven Power Steering) system uses an electric motor to assist
the steering force and it
is an engine operation independent steering system.
MDPS control module controls the motor operation according to information
re
Electric Power Steering / Repair Procedures
A/S Repair produres
MDPS System A/S Workflow
Noise / malfunction Inspection
Warning lamp (DTC) / CAN Line error
2 - 1 Checking Connectors and Wiring
Checking Connectors and Wiring.
Check for damage, push-back, or
Steering Column and Shaft Repair procedures
Replacement
Warning
When a DTC related to MDPS motor occurs, check the connectors
and wiring. If no problem is found, replace the motor.
Be sure to check the last two digits of the constant in the
barcode of new MDPS motor before replaci
SEE MORE:
Tire Repair procedures
Warning
Using tires and wheel other than the recommended sizes could cause
unusual handling characteristics
and poor vehicle control, resulting in a serious accident.
Measure the tread depth of the tires.
Tread depth (limit) : 1.6 mm (0.06
Rear Brake
Rear Brake Disc Thickness Check
Check the brake pads for wear and fade.
Check the brake disc for damage and cracks.
Remove all rust and contamination from the surface, and measure the disc
thickness at 8 points, at least, of
same distanc
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