Hyundai Santa Fe (TM): Front Suspension System - Suspension SystemHyundai Santa Fe (TM): Front Suspension System

Components and components location

Components Location

1. Front sub frame
2. Drive shaft
3. Steering gear box
 4. Front stabilizer bar
5. Front lower arm
6. Front knuckle assembly

Front Strut Assembly. Components and components location

Components

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

Front Strut Assembly. Repair procedures

Removal
1.
Loosen the wheel nuts slightly.
Raise the vehicle, and make sure it is securely supported.
2.
Remove the front wheel and tire (A) from the front hub.
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 when removing the front wheel and tire (A).

3.
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, fix the outer hexagon of stabilizer bar link.
•
Be careful not to damage the stabilizer link boots.

4.
Loosen the mounting bolt (A) and then remove the brake hose bracket from the strut assembly.
Tightening torque :
19.6 - 29.4 N.m (2.0 - 3.0 kgf.m, 14.5 - 21.7 lb-ft)

5.
Loosen the upper strut mounting nuts (A).
Tightening torque :
53.9 - 73.9 N.m (5.5 - 7.5 kgf.m, 39.8 - 54.2 lb-ft)

6.
Remove the front strut assembly from the front axle by loosening the bolts & nuts (A).
Tightening torque :
196.1 - 215.7 N.m (20.0 - 22.0 kgf.m, 144.7 - 159.1 lb-ft)

Disassembly
  
•
When compressing the coil spring, be cautious as there may be corrosion due to damage to the coil spring painting.
In order to avoid such painting damage, compress by putting over the waste hose, etc. (Refer to the picture below.)
1.
Remove the insulator cap (A).
2.
Using the spring compressor, compress the coil spring (A).
3.
Using SST (0K546-F6100), loosen the self locking nut.
4.
Remove the insulator, spring pad, coil spring and dust cover from the strut assembly.
Inspection
1.
Check the strut insulator for wear or damage.
2.
Check rubber parts for damage or deterioration.
3.
Compress and extend the piston rod (A) and check that there is no abnormal resistance or unusual sound during operation.
Disposal
1.
Fully extend the piston rod.
2.
Drill a hole on the A section to remove gas from the cylinder.

  
•
The gas coming out is harmless, but be careful of chips that may fly when drilling.
•
Be sure to wear safety goggles or eye protection when performing this task.
Reassembly
1.
Install the insulator, spring pad, coil spring and dust cover from the strut assembly.
2.
Compress and extend the piston rod (A) and check that there is no abnormal resistance or unusual sound during operation
3.
Using the special tool (0K546-F6100), install the self locking nut.
Tightening torque :
107.9 - 117.7 N.m (11.0 - 12.0 kgf.m, 79.6 - 86.8 lb-ft)

Installation
1.
To install, reverse the removal procedures.
2.
Check the alignment.
(Refer to Suspension System - "Alingment")

Front Lower Arm. Repair procedures

Removal
1.
Loosen the wheel nuts slightly.
Raise the vehicle, and make sure it is securely supported.
2.
Remove the front wheel and tire (A) from the front hub.
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 when removing the front wheel and tire (A).

3.
Remove the split pin and nut (A).
Tightening torque :
98.0 - 117.6 N.m (10.0 - 12.0 kgf.m, 72.3 - 86.7 lb-ft)

4.
Remove the lower arm from the knuckle by using the SST (09568-4R100).
(1)
Install the support bolt (A) from lower arm bolt hole.
(2)
Install the support body (B) from front axle.
(3)
Tighten the bolt (C).
5.
Remove the lower arm (A) from the sub frame after loosening the mounting bolts.
Tightening torque :
156.9 - 176.5 N.m (16.0 - 18.0 kgf.m, 115.7 - 130.2 lb-ft)

Inspection
1.
Check the bushing for wear and deterioration.
2.
Check the lower arm for bending or breakage.
3.
Check the lower arm for deformation.
4.
Check the all bolts and nuts.
Replacement
1.
Loosen the wheel nuts slightly.
Raise the vehicle, and make sure it is securely supported.
2.
Remove the front wheel and tire (A) from the front hub.
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 when removing the front wheel and tire (A).

3.
Remove the split pin and nut (A).
Tightening torque :
98.0 - 117.6 N.m (10.0 - 12.0 kgf.m, 72.3 - 86.7 lb-ft)

4.
Remove the lower arm from the knuckle by using the SST (09568-4R100).
(1)
Install the support bolt (A) from lower arm bolt hole.
(2)
Install the support body (B) from front axle.
(3)
Tighten the bolt (C).
5.
Remove the ball joint assembly after loosening the bolt (A) and nut (B).
Tightening torque:
107.9 - 127.5N.m (11.0 - 13.0kgf.m, 79.6 - 94.0lb-ft)

Front Stabilizer Bar. Repair procedures

Removal
1.
Loosen the wheel nuts slightly.
Raise the vehicle, and make sure it is securely supported.
2.
Remove the front wheel and tire (A) from the front hub.
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 when removing the front wheel and tire (A).

3.
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, fix the outer hexagon of stabilizer bar link.
•
Be careful not to damage the stabilizer link boots.

4.
Remove the split pin and nut (A).
Tightening torque :
98.0 - 117.6 N.m (10.0 - 12.0 kgf.m, 72.3 - 86.7 lb-ft)

5.
Remove the tie rod end ball joint (A) using the SST (09568-2J100).
6.
Remove the split pin and nut (A).
Tightening torque :
98.0 - 117.6 N.m (10.0 - 12.0 kgf.m, 72.3 - 86.7 lb-ft)

7.
Remove the lower arm from the knuckle by using the SST (09568-4R100).
(1)
Install the support bolt (A) from lower arm bolt hole.
(2)
Install the support body (B) from front axle.
(3)
Tighten the bolt (C).
8.
Loosen the bolt (A) and then disconnect the universal joint assembly from the pinion of the steering gear box.
Tightening torque :
32.4 - 37.3 N.m (3.3 - 3.8 kgf.m, 23.9 - 27.5 lb-ft)

  
•
Do not reuse the bolt.
•
Lock the steering wheel in the straight ahead position to prevent the damage of the clock spring inner cable.
•
Assemble so that the universal joint hole is inserted matching the cut surface of the pinion shaft shark pin.

9.
Remove the under cover.
(Refer to Engine Mechanical System - "Engine Room Under Cover")
10.
Disconnect the R-MDPS main connector (A). [R-MDPS Type only]
11.
Remove the muffler rubber hanger (A) from the sub frame after loosening the mounting bolt.
Tightening torque :
19.6 - 25.5 N.m (2.0 - 2.6 kgf.m, 14.5 - 18.8 lb-ft)

12.
Remove the roll rod bracket (C) by loosening the bolt (A), (B).
Tightening torque
(A) : 107.9 - 127.5 N.m (11.0 - 13.0 kgf.m, 79.6 - 94.0 lb-ft)
(B) : 49.0 - 63.7 N.m (5.0 - 6.5 kgf.m, 36.2 - 47.0 lb-ft)

  
•
Set a transmission jack for safety.
13.
Remove the sub frame stay after loosening the mounting bolts (A, B) and nut (C).
Tightening torque
(A) : 176.5 - 196.1 N.m (18.0 - 20.0 kgf.m, 130.2 - 144.7 b-ft)
(B) : 44.1 - 53.9 N.m (4.5 - 5.5 kgf.m, 32.5 - 39.8 lb-ft)
(C) : 44.1 - 53.9 N.m (4.5 - 5.5 kgf.m, 32.5 - 39.8 lb-ft)

14.
Loosen the sub frame mounting nuts (A).
Tightening torque :
176.5 - 196.1 N.m (18.0 - 20.0 kgf.m, 130.2 - 144.7 b-ft)

15.
Remove the sub frame.
16.
Remove the heat protector (A).
Tightening torque :
6.9 - 10.8 N.m (0.7 - 1.1 kgf.m, 5.1 - 8.0 lb-ft)
[R-MDPS]

[C-MDPS]
17.
Remove the steering gearbox (A) from the front sub frame by loosening the mounting bolts.
Tightening torque :
107.9 - 127.5 N.m (11.0 - 13.0 kgf.m, 79.6 - 94.0 lb-ft)
[R-MDPS]

[C-MDPS]
18.
Remove the stabilizer bar (A) from the sub frame after loosening the mounting bolts.
Tightening torque :
58.8 - 73.5 N.m (6.0 - 7.5 kgf.m, 43.4 - 54.2 lb-ft)

Inspection
1.
Check the bushing for wear and deterioration.
2.
Check the front stabilizer bar for deformation.
3.
Check the front stabilizer link ball joint for damage.
Installation
1.
Install in the reverse order of removal.
2.
Check the alignment.
(Refer to Suspension System - "Alingment")

Sub Frame. Repair procedures

Removal
1.
Loosen the wheel nuts slightly.
Raise the vehicle, and make sure it is securely supported.
2.
Remove the front wheel and tire (A) from the front hub.
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 when removing the front wheel and tire (A).

3.
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, fix the outer hexagon of stabilizer bar link.
•
Be careful not to damage the stabilizer link boots.

4.
Remove the split pin and nut (A).
Tightening torque :
98.0 - 117.6 N.m (10.0 - 12.0 kgf.m, 72.3 - 86.7 lb-ft)

5.
Remove the tie rod end ball joint (A) using the SST (09568-2J100).
6.
Remove the split pin and nut (A).
Tightening torque :
98.0 - 117.6 N.m (10.0 - 12.0 kgf.m, 72.3 - 86.7 lb-ft)

7.
Remove the lower arm from the knuckle by using the SST (09568-4R100).
(1)
Install the support bolt (A) from lower arm bolt hole.
(2)
Install the support body (B) from front axle.
(3)
Tighten the bolt (C).
8.
Loosen the bolt (A) and then disconnect the universal joint assembly from the pinion of the steering gear box.
Tightening torque :
M8 BOLT : 32.4 - 37.3 N.m (3.3 - 3.8 kgf.m, 23.9 - 27.5 lb-ft)
M10 BOLT : 49.0 - 58.8 N.m (5.0 - 6.0 kgf.m, 36.2 - 43.4 lb-ft)

  
•
Do not reuse the bolt.
•
Lock the steering wheel in the straight ahead position to prevent the damage of the clock spring inner cable.
•
Assemble so that the universal joint hole is inserted matching the cut surface of the pinion shaft shark pin.

9.
Remove the under cover.
(Refer to Engine Mechanical System - "Engine Room Under Cover")
10.
Disconnect the R-MDPS main connector (A). [R-MDPS Type only]
11.
Remove the muffler rubber hanger (A) from the sub frame after loosening the mounting bolt.
Tightening torque :
19.6 - 25.5 N.m (2.0 - 2.6 kgf.m, 14.5 - 18.8 lb-ft)

12.
Remove the roll rod bracket (C) by loosening the bolt (A), (B).
Tightening torque
(A) : 107.9 - 127.5 N.m (11.0 - 13.0 kgf.m, 79.6 - 94.0 lb-ft)
(B) : 49.0 - 63.7 N.m (5.0 - 6.5 kgf.m, 36.2 - 47.0 lb-ft)

  
•
Set a transmission jack for safety.
13.
Remove the sub frame stay after loosening the mounting bolts (A, B) and nut (C).
Tightening torque
(A) : 176.5 - 196.1 N.m (18.0 - 20.0 kgf.m, 130.2 - 144.7 b-ft)
(B) : 44.1 - 53.9 N.m (4.5 - 5.5 kgf.m, 32.5 - 39.8 lb-ft)
(C) : 44.1 - 53.9 N.m (4.5 - 5.5 kgf.m, 32.5 - 39.8 lb-ft)

14.
Loosen the sub frame mounting nuts (A).
Tightening torque :
176.5 - 196.1 N.m (18.0 - 20.0 kgf.m, 130.2 - 144.7 b-ft)

15.
Remove the sub frame.
16.
Remove the heat protector (A).
Tightening torque :
6.9 - 10.8 N.m (0.7 - 1.1 kgf.m, 5.1 - 8.0 lb-ft)
[R-MDPS]

[C-MDPS]
17.
Remove the steering gearbox (A) from the front sub frame by loosening the mounting bolts.
Tightening torque :
107.9 - 127.5 N.m (11.0 - 13.0 kgf.m, 79.6 - 94.0 lb-ft)
[R-MDPS]

[C-MDPS]
18.
Remove the stabilizer bar (A) from the sub frame after loosening the mounting bolts.
Tightening torque :
58.8 - 73.5 N.m (6.0 - 7.5 kgf.m, 43.4 - 54.2 lb-ft)

Installation
1.
Install in the reverse order of removal.
2.
Check the alignment.
(Refer to Suspension System - "Alingment")
Troubleshooting
Troubleshooting Symptom Possible cause Remedy Hard steering Improper front wheel alignment Correct Excessive turning resistance of lower arm ball joint Replace Low tire pressure Adjust No power assist ...

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