Hyundai Sonata: Front Suspension System / Sub Frame Repair procedures

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.
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)

   
Be careful not to damage to the hub bolts when removing the front wheel and tire (A).
4.
Remove driveshaft nut (A) from the front hub under applying the brake.

Tightening torque :
274.6 ~ 294.2 N.m (28.0 ~ 30.0 kgf.m, 202.5 ~ 217.1 lb-ft)

   
The front hub coking nut should be replaced with new ones.
After installation coking nut (A), stake the coking nut using a chisel and hammer as shown in the illustration below.

5.
Remove the tie rod end ball joint (C) from the knuckle.
(1)
Remove the split pin (A).
(2)
Remove the castle nut (B).

Tightening torque :
34.3 ~ 44.0 N.m (3.5 ~ 4.5 kgf.m, 25.3 ~ 32.5 lb-ft)

6.
Remove the lower arm (A).
(1)
Remove the split pin (B).
(2)
Loosen the mounting nut and bolt.

7.
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)

8.
Loosen the universal joint bolt (A) and then disconnect the universal joint assembly.

Tightening torque :
32.4 ~ 37.3 N.m (3.3 ~ 3.8 kgf.m, 23.9 ~ 27.5 lb-ft)

9.
Remove the engine room under cover (A).

Tightening torque :
7.8 ~ 11.8 N.m (0.8 ~ 1.2 kgf.m, 5.8 ~ 8.7 lb-ft)

10.
Remove the roll rod bracket (A).

Tightening torque :
49.0 ~ 63.7 N.m (5.0 ~ 6.5 kgf.m, 36.2 ~ 47.0 lb-ft)

11.
Disconnect the muffler rubber hanger (A).

12.
Loosen the bolts & nuts and then remove the sub frame (A).

Tightening torque :
Sub frame mounting bolt & nut
156.9 ~ 176.5 N.m (16.0 ~ 18.0 kgf.m, 115.7 ~ 130.2 lb-ft)
Sub frame stay mounting bolt
44.1 ~ 58.8 N.m(4.5 ~ 6.0kgf.m, 32.5~43.4 lb-ft)

13.
Loosen the mounting bolt and then remove the stabilizer bar (B) from the sub frame (A).

Tightening torque :
49.0 ~ 63.7 N.m (5.0 ~ 6.5 kgf.m, 36.2 ~ 47.0 lb-ft)

14.
Remove the steering gear box. [R-MDPS Type]
(1)
Loosen the bolts and then remove the portector (A).

Tightening torque :
7.8 ~ 11.8 N.m (0.8 ~ 1.2 kgf.m, 5.8 ~ 8.7 lb-ft)

(2)
Disconnect the all of the connector form the ECU.
(3)
Loosen the bolts and then remove the steering gear box (A).

Tightening torque :
88.3 ~ 107.9 N.m (9.0 ~ 11.0 kgf.m, 43.4 ~ 57.9 lb-ft)

15.
Loosen the bolt and then remove the steering gear box (A). [C-MDPS Type]

Tightening torque :
88.3 ~ 107.9 N.m (9.0 ~ 11.0 kgf.m, 65.1~79.6 lb-ft)

16.
Remove the front lower arm (A) and then loosen the bolts & nuts.

Tightening torque
Front : 117.7 ~ 137.3 N.m (12.0 ~ 14.0 kgf.m, 86.8 ~ 101.3 lb-ft)
Rear : 156.9 ~ 176.5 N.m (16.0 ~ 18.0 kgf.m, 115.7 ~ 130.2 lb-ft)

17.
Installation is the reverse of removal.
18.
Check the wheel Alignment.
(Refer to Tires/Wheels - "Alignment")
Front Stabilizer Bar Repair procedures
Inspection 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. ...

Rear Suspension System
...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: External AMP Components and Components Location
Components NoConnector ANoConnector B1BATT (+)1Front Right Midrange (+)2BATT (+)2Front Right Midrange (-)3BATT (+)3Front Left Midrange (+)4BATT (+)4Front Left Midrange (-)5-5-6Multimedia CAN (High)6-7Multimedia CAN (Low)7-8ACC8-9Navigation voice (+)9-10-10-11-11-12-12Rear Right door speaker (-) ...

Hyundai Sonata LF 2014-2019 Service Manual: Turbo Charger Repair procedures
On-vehicle Inspection Turbocharger Diagnostic Flow If any problem related with turbocharger, such as lack of engine power, poor acceleration, abnormal engine noise or oil leaks, may occur, check the turbocharger according to the procedure as follows. 1. Check for assembling of the turb ...

© 2018-2021 www.hsonatalf.org