Hyundai Sonata: Front Suspension System / Front Strut Assembly Repair procedures
1. |
Raise the vehicle, and make sure it is securely supported. |
2. |
Remove the wheel cap (A). 
Be careful not to damage to the wheel cap (A) when removing the it. |
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3. |
Remove the front wheel and tire (A) from front hub.
Tightening torque :
88.3 ~ 107.9 N.m (9.0 ~ 11.0 kgf.m, 65.1 ~ 79.6 lb-ft)
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Be careful not to damage to the hub bolts when removing the front wheel and tire (A). |
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4. |
Loosen the stabilizer link (A) and remove it from the shock absorber.
Tightening torque :
98.1 ~ 117.7 N.m (10.0 ~ 12.0 kgf.m, 72.3 ~ 86.8 lb-ft)
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5. |
Loosen the wheel speed sensor bracket bolt (A) and brake hose bracket (B). 
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6. |
Disconnect the front strut assembly (A) with the knuckle by loosening the bolt & nut.
Tightening torque :
196.1 ~ 215.7 N.m (20.0 ~ 22.0 kgf.m, 144.7 ~ 159.1 lb-ft)
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7. |
Remove the front strut assembly and than loosen the strut mounting nuts (A).
Tightening torque :
53.9 ~ 73.5 N.m (5.5 ~ 7.5 kgf.m, 32.5 ~ 39.8 ~ 54.2 lb-ft)
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8. |
Installation is the reverse of removal. |
1. |
Compress the coil spring (A) with a SST (09546-26000).
Do not compress the spring more than necessary. 
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2. |
Loosen the self locking nuts (C) from the strut (B). |
3. |
Remove the insulator, spring seat, coil spring and dust cover from the strut assembly. |
4. |
Reassembly is the reverse of the disassembly. |
1. |
Check the strut bearing for wear and damage. |
2. |
Check the spring upper and lower seat for damage and 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 tly when driling. |
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Components
1. Strut assembly2. Insulator3. Strut bearing4. Spring upper pad5. Coil spring6. Dust cover7. Bumper rubber8. Spring lower pad
...
Replacement
1.
Raise the vehicle, and make sure it is securely supported.
2.
Remove the wheel cap (A).
Be careful not to damage to the wheel cap (A) when removing the it ...
Other information:
Hyundai Sonata LF 2014-2019 Owners Manual: Checking the tire inflation pressure
1. After driving approximately 7~10 km (4~6 miles or about 10 min), stop at a
safety location.
2. Connect the filling hose (3) of the compressor directly to the tire valve.
3. Plug the compressor power cord into the vehicle power outlet.
4. Adjust the tire inflation pressure to the recomended tir ...
Hyundai Sonata LF 2014-2019 Owners Manual: How to use the Smart Trunk
The trunk can be opened with notouch activation satisfying all the conditions
below.
After 15 seconds when all doors are closed and locked
Positioned in the detecting area for more than 3 seconds.
Information
• The Smart Trunk does not operate when:
- The smart key is detected within 15 secon ...