KIA Niro: Steering System / Repair Procedures

Service Data

Tightening Torques

Service Adjustment procedure

Steering Wheel Play Inspection

1. Turn the steering wheel so that the front wheels are facing straight ahead.
2. Measure the distance that the steering wheel can be turned without moving the front wheels.

Standard value: 0 - 30mm (1.1811 in.) or less

3. If the play exceeds standard value, inspect the steering column, shaft, and linkages.

Checking Stationary Steering Effort

1. Position the vehicle on a level surface and place the steering wheel in the straight ahead position.
2. Start the engine and turn the steering wheel from lock to lock several times to warm up the power steering fluid.
3. 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.

4. 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

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