Kia Picanto: Suspension System

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

Specifications
Specification
Front Suspension
Item
Specification
Suspension type
MacPherson Strut
Shock absorber Type
General Valve

Rear Suspension
Item
Specification
Suspension type
Couple Torsion Beam Axle
Shock absorber Type
General Valve

Wheel & Tire
Item
Specification
Front
Rear
Wheel
Aluminum
5.5J * 14
6.0J * 15
6.5J * 16
Steel
4.5J * 13
5.5J * 14
Tire
155/80 R13
175/65 R14
185/55 R15
195/45 R16
T115/70 D15
Tire pressure
155/80 R13
230 kPa (33 psi)
210 kPa (30 psi)
175/65 R14
185/55 R15
195/45 R16
175/65 R14 (Eco pack)
250 kPa (36 psi)
T115/70 D15
420 kPa (60 psi)

Europe, Australia
Item
Specification
Front
Rear
Toe-in
Individual
0.075° ± 0.1°
0.15° ± 0.15°
Total
0.15° ± 0.2°
0.30° ± 0.30°
Camber angle
-0.5° ± 0.5°
-1.5° ± 0.5°
Caster angle
4.04° ± 0.5°
-
King-pin angle
13.44° ± 0.5°
-
Ride height
347 ± 10 mm (13.6614 ± 0.3937 in.)
353 ± 10 mm (13.8976 ± 0.3937 in.)

General, Middle East, Russia, Europe (High suspension)
Item
Specification
Front
Rear
Toe-in
Individual
0.075° ± 0.1°
0.11° ± 0.15°
Total
0.15° ± 0.2°
0.23° ± 0.30°
Camber angle
-0.33° ± 0.5°
-1.5° ± 0.5°
Caster angle
3.90° ± 0.5°
-
King-pin angle
13.16° ± 0.5°
-
Ride height
357 ± 10 mm (14.0551 ± 0.3937 in.)
363 ± 10 mm (14.2913 ± 0.3937 in.)

SX Trim (Export)
Item
Specification
Front
Rear
Toe-in
Individual
0.075° ± 0.1°
0.09° ± 0.15°
Total
0.15° ± 0.2°
0.19° ± 0.30°
Camber angle
-0.24° ± 0.5°
-1.5° ± 0.5°
Caster angle
3.83° ± 0.5°
-
King-pin angle
13.02° ± 0.5°
-
Ride height
358 ± 10 mm (14.0945 ± 0.3937 in.)
362 ± 10 mm (14.2520 ± 0.3937 in.)

Tightening Torques
Front Suspension
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
Strut assembly to knuckle
98.1 - 117.7
10.0 - 12.0
72.3 - 86.8
Strut assembly lock nut
49.0 - 58.8
5.0 - 6.0
36.2 - 43.4
Lower arm to sub frame (Front)
117.7 - 137.3
12.0 - 14.0
86.8 - 101.3
Lower arm to sub frame (Rear)
156.9 - 176.5
16.0 - 18.0
115.7 - 130.2
Lower arm to knuckle
58.8 - 70.6
6.0 -7.2
43.4 - 52.1
Stabilizer link to strut assembly
49.0 - 58.8
5.0 - 6.0
36.2 - 43.4
Stabilizer bar to stabilizer link
49.0 - 58.8
5.0 - 6.0
36.2 - 43.4
Stabilizer bar to sub frame
44.1 - 53.9
4.5 - 5.5
32.5 - 39.8
Tie rod end ball joint nut
24.5 - 34.3
2.5 - 3.5
18.1 - 25.3
Universal joint to pinion of steering gear
32.4 - 37.3
3.3 - 3.8
23.9 - 27.5
Steering gear box to sub frame
88.3 - 107.9
9.0 - 11.0
65.1 - 79.6
Sub frame mounting nuts (Front)
176.5 - 196.1
18.0 - 20.0
130.2 - 144.7
Sub frame mounting bolts (Rear)
176.5 - 196.1
18.0 - 20.0
130.2 - 144.7

Rear Suspension
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
Shock absorber to body
21.6 - 31.4
2.2 - 3.2
15.9 - 23.1
Shock absorber to torsion beam axle
98.1 - 117.7
10.0 - 12.0
72.3 - 86.8
Torsion beam axle to frame
98.1 - 117.7
10.0 - 12.0
72.3 - 86.8
Torsion beam axle to rear axle
49.0 - 58.8
5.0 - 6.0
36.2 - 43.4
Torsion beam axle to brake caliper
63.7 - 73.5
6.5 - 7.5
47.0 - 54.2
Disc fixing screw
4.9 - 5.9
0.5 - 0.6
3.6 - 4.3

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
Shock absorber lock nut removal tool
09546-3X100

Used for remove the shock absorber lock nut.

Troubleshooting
Troubleshooting
Symptom
Expected cause
Countermeasure
Heavy weight feeling on steering wheel
Faulty on front wheel alignment
Adjust or repair
Over rotation resistance of lower arm ball joint
Replace
Over rotation resistance of strut bearing
Replace
Too low amount of Tire air pressure
Adjust
Steering wheel recovery trouble
Faulty on front wheel alignment
Adjust or repair
Noise or ride comfort trouble
Faulty on wheel alignment
Adjust or repair
Inappropriated tire air pressure
Adjust
Faulty function of shock absorber
Replace
Damaged coil spring
Replace
Damaged stabilizer
Replace
Damaged lower arm bushing
Replace
Stabilizer link fixing nut got loosen
Retighten
Damaged stabilizer link (dust cover tearing, ring broke away)
Replace
Abnormal worned out of tire
Faulty wheel alignment
Adjust or repair
Inappropriated tire air pressure
Adjust
Unstable steering wheel
Front wheel alignment trouble
Adjust or repair
Lower arm ball joint turning resistance is too small
Replace
Damaged lower arm bushing
Replace
Vehicle pushed aside phenomenon
Wheel alignment trouble
Adjust or repair
Unbalance of right/left tire
Adjust or replace
Damaged or transformed lower arm bushing
Replace
Damaged coil spring
Replace
Steering wheel juddering
Front wheel alignment trouble
Adjust or repair
Wheel balance trouble
Adjust or repair
Lower are ball joint turning resistance is too much or too small
Replace
Damaged stabilizer
Replace
Damaged lower arm bushing
Replace
Shock absorber operating trouble
Replace
Coil spring trouble
Replace

Strange sound type from under body by parts
Conditions for occurrence
Strange sound on uneven ground
Parts
Step bar link
Step bar bush
Lower arm ball joint
Strut insulator
Trouble area

Type of strange sound
Rattling, Creaking noise
Squeaking noise
Clunking, Knocking noise
Clicking, Creaking noise
Occurring area
Under part
Under part
Under part
Upper part
Driving speed
20 - 40 ㎞/h (12.4 - 24.9 m/h)
While low speed driving (20 - 40 ㎞/h (12.4 - 24.9 m/h))
20 - 40 ㎞/h (12.4 - 24.9 m/h)
-
Condition of road
Uneven road / bump
Uneven road / bump
Uneven road / bump
Uneven road / tough road
Reason
Loosen / leakage (teared down) / corrosion
Separation of bar and bush / slip
Loosen / leakage (teared down) / corrosion
Tightened (decrease torque) and interference

Conditions for occurrence
Strange sound while going through uneven road / tough road
Parts
Strut / Shock absorber
Strut / Shock absorber
Strut / Shock absorber
Strut / Shock absorber
Trouble area

Type of strange sound
Rubbing noise
Clicking, Creaking noise
Rubbing noise
Clicking noise
Occurring area
Upper part
Upper part
Upper part (rear)
Upper part (rear)
Driving speed
15 - 25 ㎞/h (9.3 - 15.5 m/h)
15 - 25 ㎞/h (9.3 - 15.5 m/h)
15 - 40 ㎞/h (9.3 - 24.9 m/h)
30 - 50 ㎞/h (18.6 - 31.1 m/h)
Condition of road
Uneven road
Uneven road
Uneven road and tough road
Tough road
Reason
Friction sound from piston load and bumper rubber inner side
Rolled down bumper rubber
(tapping sound of bumper rubber upper part and insulator under part)
Adhesion trouble of upper bracket rubber
Suspension tuning trouble
(damping force, rubber characteristic)

Conditions for occurrence
Strange sound on uneven road
Strange sound while steering
Strange sound while driving
Parts
Lower arm "G" bush
Cross member bush
Strut bearing
Wheel / Hub bearing
Trouble area

Type of strange sound
Rubbing noise
Clicking noise
Clicking noise
Roaring noise
Occurring area
Under part
Under part
Upper part
Lower and side part
Driving speed
10 - 40 ㎞/h (6.2 - 24.9 m/h)
-
-
20 - 60 ㎞/h (12.4 - 37.3 m/h)
Condition of road
Bump / tough road
Even road
Even road
Even road
Reason
Dropped off / fallen off
Dropped off / fallen off
Grease leakage
Damaged from outer impact, foreign substance inflow

Wheel and tire diagnosis
Wheel /tire noise, vibration and harshness concerns are directly related to vehicle speed and are not generally affected by acceleration, coasting or deceleration. Also, out-of-balance wheel and tires can vibrate at more than one speed. A vibration that is affected by the engine rpm, or is eliminated by placing the transmission in Neutral is not related to the tire and wheel. As a general rule, tire and wheel vibrations felt in the steering wheel are related to the front tire and wheel assemblies. Vibrations felt in the seat or floor are related to the rear tire and wheel assemblies. This can initially isolate a concern to the front or rear.
Careful attention must be paid to the tire and wheels. There are several symptoms that can be caused by damaged or worn tire and wheel. Perform a careful visual inspection of the tires and wheel assemblies. Spin the tires slowly and watch for signs of lateral or radial runout. Refer to the tire wear chart to determine the tire wear conditions and actions
Wheel and tire diagnosis
Rapid wear at the center
Rapid wear at both shoulders
Wear at one shoulder

Center-tread down to fabric due to excessively over inflated tires
Lack of rotation
Excessive toe on drive wheels
Heavy acceleration on drive
Under-inflated tires
Worn suspension components
Excessive cornering speeds
Lack of rotation
Toe adjustment out of specification
Camber out of specification
Damaged strut
Damaged lower arm
Partial wear
Feathered edge
Wear pattern

Caused by irregular burrs on brake drums
Toe adjustment out of specification
Damaged or worn tie rods
Damaged knuckle
Excessive toe on non-drive wheels
Lack of rotation

Rear Axle Assembly
Components and components location Components [Disc type] 1. Tosion beam axle 2. Brake disc 3. Brake caliper [Drum type] 1. Tosion beam axle 2. Drum brake Repair proc ...

Front Suspension System
Components and components location Components Location 1. Sub frame 2. Stabilizer bar 3. Gear box 4. Tie rod end 5. Front lower 6. Stabilizer link 7. Brake disc 8. Brake caliper ...

Other information:

Kia Picanto JA 2017-2021 Owner's Manual: Instrument panel overview


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Kia Picanto JA 2017-2021 Service & Repair Manual: Seat belt switch


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