Kia Rio: Steering System

Kia Rio 2017-2023 YB Service Manual / Steering System

Specifications

Specification

Item		Specification
Type		Motor Driven Power Steering
Steering gear	Type	Rack & Pinion
Steering gear	Rack stroke	150 ± 1 mm (5.9055 ± 0.0394 in)
Steering angle(Max.)	Inner	39.5° (+ 0.5° -1.5°)
Steering angle(Max.)	Outer	32.6°

Tightening Torques

Item	Tightening torque (kgf·m)
Item	N·m	kgf·m	lb·ft
Tire wheel hub nuts	107.9 - 127.5	11.0 - 13.0	79.6 - 94.0
Steering wheel lock nut	44.1 - 49.0	4.5 - 5.0	32.5 - 36.2
Steering column mounting nut	24.5 - 29.4	2.5 - 3.0	18.1 - 21.7
Steering column mounting bolt	53.9 - 58.8	5.5 - 6.0	39.8 - 43.4
Universal joint to pinion of steering gear	32.4 - 37.3	3.3 - 3.8	23.9 - 27.5
Tie rod end ball joint nut	22.6 - 33.3	2.3 - 3.4	16.6 - 24.5
Lower arm ball joint bolt and nut	58.8 - 70.6	6.0 - 7.2	43.4 - 52.1
Steering gear box mounting bolts	88.3 - 107.9	9.0 - 11.0	65.1 - 79.6
Stabilizer link nut	98.1 - 117.7	10.0 - 12.0	72.3 - 86.8
Sub frame mounting bolts & nuts	176.5 - 196.1	18.0 - 20.0	130.2 - 144.7

Special service tools

Special Service Tools

Tool Name / Number	Illustration	Description
Lower arm ball joint remover 0K545-A9100		Used for removal of front lower arm from front axle
Ball joint remover 09568-2J100		Used for removal of ball joint

Repair procedures

Service Adjustment Procedure

Steering Wheel Play Inspection

1.	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 - 30 mm (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.

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: 3.0 kgf MAX.

4.	If the measured value exceeds standard value, inspect the steering gear box.

Troubleshooting

Symptom	Probable cause	Remedy
Play in steering	Loose yoke plug	Retighten
	Loose steering gear mounting bolts	Retighten
	Loose or worn tie rod end	Retighten or replace as necessary
Steering wheel does not return properly	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
Rattling or chucking noise in the rack and pinion	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
Noise in the oil pump	Low fluid level	Replenish
	Air in the fluid	Bleed air
	Loose pump mounting bolts	Retighten

Motor Driven Power Steering

Steering wheel

Heated Steering wheel

❮Tire Pressure Monitoring System

Components and components location Components 1. HECU 2. Cluster 3. TPMS SET Switch 4. Wheel speed sensor 5.

Motor Driven Power Steering❯

Description and operation 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.

Other information:

Kia Rio 2017-2023 YB Service Manual: Rear Parking Assist System

Specifications Specification Item Specification Ultrasonic sensor Voltage rating DC 12V Detecting range 11.8 - 47.2 in (30 - 120 cm) Operation voltage DC 9 - 16 V Operation current

Kia Rio 2017-2023 YB Service Manual: Heater & A/C Control Unit (FATC)

Components and components location Components Connector Pin Function No. Connector A Connector B 1 Battery ⁻ 2 ISG battery (+) ⁻ 3 Illumination (+) ⁻