Hyundai i-30: Front Suspension System / Front Strut Assembly

Hyundai i30 (PD) 2018-2024 Service Manual / Suspension System (NON-ECS) / Front Suspension System / Front Strut Assembly

Components and components location
Components

1. Strut assembly
2. Lock nut
3. Insulator
4. Strut bearing & Spring upper pad
5. Bumper rubber
6. Dust cover
7. Coli spring
8. Spring lower pad

Repair procedures
Removal
1.
Loosen the wheel nuts slightly.
Raise the vehicle, and make sure it is securelysupported.
2.
Remove the front wheel and tire (A) from the fronthub.
Tightening torque :
107.9 - 127.5 N.m (11.0 - 13.0 kgf.m, 79.6 - 94.0 lb-ft)

  
Be careful not to damage the hub bolts whenremoving the front wheel and tire (A).
3.
Loosen the mounting holt and then remove the brakehose from the strut assembly.
Tightening torque :
8.8 - 13.7 N.m (0.9 - 1.4 kgf.m, 6.5 - 10.1 lb-ft)

4.
Loosen the mounting holt and then remove the wheelspeed sensor cable from the strut assembly.
Tightening torque :
8.8 - 13.7 N.m (0.9 - 1.4 kgf.m, 6.5 - 10.1 lb-ft)

5.
Disconnect the stabilizer link with the front strut assembly after loosening the nut (A).
Tightening torque :
98.1 - 117.7 N.m (10.0 - 12.0 kgf.m, 72.3 - 86.8 lb-ft)

  
When loosening the nut (A), fix the outer hexagonof stabilizer bar link.
Be careful not to damage the stabilizer link boots.
6.
Remove the cowl top cover.
(Refer to Body - "Cowl Top Cover")
7.
Loosen the upper strut mounting nut (A).
Tightening torque :
58.8 - 73.5 N.m (6.0 - 7.5 kgf.m, 43.4 - 54.2 lb-ft)

8.
Disconnect the front strut assembly (A) with the frontaxle (B) by loosening the bolts & nuts.
Tightening torque :
156.9 - 176.5 N.m (16.0 - 18.0 kgf.m, 115.7 - 130.2 lb-ft)

9.
To install, reverse the removal procedure.
Disassembly
  
When compressing the coil spring, be cautious asthere may be corrosion due to damage to the coilspring painting.
In order to avoid such painting damage, compress byputting over the waste hose, etc. (Refer to the picturebelow.)

1.
Using spring comperssor, compress the coil spring(A)

2.
Using the special tool (09546-3X100), remove theself locking nut.

3.
Disassembly the strut assembly.

Inspection
1.
Check the strut bearing for wear and damage.
2.
Check the spring upper and lower pad for damageand deterioration.
3.
Compress and extend the piston rod (A) and checkthat there is no abnormal resistance or unusualsound during operation.

Disposal
1.
Fully extend the piston rod.
2.
Drill a hole on the (A) section to remove gas from thecylinder.

  
The gas coming out is harmless, but be careful ofchips that may fly when drilling.
Be sure to wear safety goggles or eye protectionwhen performing this task.
Reassembly
1.
To reassembly, reverse the disassembly procedure.
2.
Using the spring compressor,compress the coilspring (A).

3.
Using the special tool (09546-3X100), install the selflocking nut.
Tightening torque :
58.8 - 68.6 N.m (6.0 - 7.0 kgf.m, 43.4 - 50.6 lb-ft)

  
Do not reuse the self locking nut.

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