Kia Picanto: Steering System

Kia Picanto JA 2017-2021 Service & Repair Manual / Steering System

Specifications
Specification
Item
Specification
Type
Motor Driven Power Steering
Steering gear
Type
Rack & Pinion 
Rack stroke
148 ± 1mm (5.8268 ± 0.0394 in.)
Steering angle(Max.)
Inner
38.6° + 0.5 -1.5°
Outer
32.2°

Tightening Torques
Item
Tightening torque (kgf·m)
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
24.5 - 34.3
2.5 - 3.5
18.1 - 25.3
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
49.0 - 58.8
5.0 - 6.0
36.2 - 43.4
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 removing the ball joint
Ball joint puller
09568-1S100

Remove the 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.
2.
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.
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: 3.0 kgf MAX.

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

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