Hyundai Palisade (LX2): Motor Driven Power Steering / Steering Gear Box

Hyundai Palisade (LX2) 2020-2025 Service Manual / Steering System / Motor Driven Power Steering / Steering Gear Box

Components and components location

Components
[C-MDPS]

Hyundai Palisade. Components and components location

1. Steering gera box
 2 Tie rod end

[R-MDPS]

Hyundai Palisade. Components and components location

1. Tie rod end
2. R-MDPS Motor
 3. R-MDPS ECU

Repair procedures

Removal and Installation
Hyundai Palisade. Repair procedures   
•
Before replacing the R-MDPS, use the diagnostic device to read the settings of the old ECU [R-MDPS Only]
1.
Perform the "ECU data backup" by diagnostic tool following in the order below.
(1)
Connect self - diagnosis connector (16pins) located in the lower of driver side crash pad to self - diagnosis device.
(2)
Turn the self - diagnosis device after key is ON.
(3)
After Selecting the "vehicle model" and "MDPS system" on diagnostic tool vehicle selection screen.
(4)
Select the "MDPS Tuning Data Setting(Backup and Write)"

Hyundai Palisade. Repair procedures
(5)
Follow the instructions shown on the screen.

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures
1.
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2.
Turn the steering wheel so that the front wheels are placed in the straight ahead position.
3.
Remove the front wheel and tire (A) from front hub.
Tightening torque :
107.9 - 127.5 N.m (11.0 - 13.0 kgf.m, 79.6 - 94.0 lb-ft)
Hyundai Palisade. Repair procedures   
•
Be careful not to damage the hub bolts when removing the front wheel and tire (A).

Hyundai Palisade. Repair procedures
4.
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)
Hyundai Palisade. Repair procedures   
•
When loosening the nut (A), fix the outer hexagon of stabilizer bar link.
•
Be careful not to damage the stabilizer link boots.

Hyundai Palisade. Repair procedures
5.
Remove the tie rod end ball joint.
(1)
Remove the split pin and nut (A).
(2)
Using SST(09568-2J100), separate the ball joint (B) from the knuckle.
Tightening torque :
98.1 - 117.7 N.m (10.0 - 12.0 kgf.m, 72.3 - 86.8 lb-ft)

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures
6.
Rmove the split pin and nut (A).
Tightening torque :
98.1 - 117.7 N.m (10.0 - 12.0 kgf.m, 72.3 - 86.8 lb-ft)

Hyundai Palisade. Repair procedures
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).

Hyundai Palisade. Repair procedures
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)

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures   
•
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.

Hyundai Palisade. Repair procedures
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]

Hyundai Palisade. Repair procedures
11.
Remove the muffler rubber hanger (A).

Hyundai Palisade. Repair procedures
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)

Hyundai Palisade. Repair procedures
13.
Remove the subframe by loosening the mounting bolts and nuts.
Hyundai Palisade. Repair procedures   
•
Set a transmission jack for safety.
Tightening torque
Sub frame mounting bolts and nut :
176.5 - 196.1 N.m (18.0 - 20.0 kgf.m, 130.2 - 144.7 b-ft)
Sub frame stay mounting bolt :
44.1 - 53.9 N.m (4.5 - 5.5 kgf.m, 32.5 - 39.8 lb-ft)

Hyundai Palisade. Repair procedures
14.
Remove the heated protector (A).
Thightening torque :
6.9 - 10.8 N.m (0.7 - 1.1 kgf.m, 5.1 - 8.0 lb-ft)
[C-MDPS]

Hyundai Palisade. Repair procedures

[R-MDPS]

Hyundai Palisade. Repair procedures
15.
Remove the steering gearbox (A) from the front sub frame by loosening the mounting bolts.
Tightening torque :
88.2 - 107.8 N.m (9.0 - 11.0 kgf.m, 65.0 - 79.5 lb-ft)
[C-MDPS]

Hyundai Palisade. Repair procedures

[R-MDPS]

Hyundai Palisade. Repair procedures
16.
Install in the reverse order of removal.
17.
Check the alignment.
(Refer to Tires / Wheels - "Alignment")
18.
Conduct the "EPS Type Recognition" by diagnostic tool.
(Refer to MDPS motor - "Diagnosis with GDS")
19.
Perform the "ECU data restore" by diagnostic tool following in the order below. [R-MDPS Only]
(1)
Connect self - diagnosis connector (16pins) located in the lower of driver side crash pad to self - diagnosis device.
(2)
Turn the self - diagnosis device after key is ON.
(3)
After Selecting the "vehicle model" and "MDPS system" on diagnostic tool vehicle selection screen.
(4)
Select the "MDPS Tuning Data Setting(Backup and Write)"

Hyundai Palisade. Repair procedures
(5)
Follow the instructions shown on the screen.

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures
Replacement
Hyundai Palisade. Repair procedures   
•
Do not disassembly the steering gear box.
•
If disassembly the steering gear box, the quality(Noise / cleanliness / functions) is not guaranteed.
[C-MDPS]

Hyundai Palisade. Repair procedures

[R-MDPS]

Hyundai Palisade. Repair procedures
Tie rod end
1.
Remove the tie rod end after loosening the nut.
Tightening torque :
49.0 - 53.9 N.m (5.0 - 5.5 kgf.m, 36.2 - 39.8 lb-ft)
Hyundai Palisade. Repair procedures   
•
Before removing the tie rod end, note by measuring the length of the thread or marked with paint.
[C-MDPS]

Hyundai Palisade. Repair procedures

[R-MDPS]

Hyundai Palisade. Repair procedures
2.
Replace with new parts.
3.
Check the alignment.
(Refer to Tires / Wheels - "Alignment")
Power Pack And Short Gear
1.
Disconnect the power pack connector (A).

Hyundai Palisade. Repair procedures
2.
Replace the power pack (A) after loosening the mounting bolts.
Tightening torque :
14.0 - 16.0 N.m (1.43 - 1.63 kgf.m, 10.3 - 11.8 lb-ft)

Hyundai Palisade. Repair procedures
3.
In case of the power pack replacement, replace the power pack only and reuse the existing short gear.
In case of the short gear replacement, replace the short gear only and reuse the existing power pack.
4.
Apply grease to the serration area of the new power pack.
(1)
A noise may occur if grease is not applied or general grease is applied. So, make sure to apply the specified grease.
Grease specification : Multemp MM-V
Apply quantity : 0.7~1.2g (50mm)

Hyundai Palisade. Repair procedures
(2)
Apply grease to the serration area using the driver or stick.
Assemble the power pack after checking the applied grease condition on the serration area.

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures   
•
A noise may occur if grease is not applied or general grease is applied. So, make sure to apply the specified grease.
5.
After replacing the power pack motor, "EPS type recognition" and "Steering Angle Sensor (SAS) Calibration" must be done.

Hyundai Palisade. Repair procedures
Lead Wire
1.
Disconnect the power pack connector (A).

Hyundai Palisade. Repair procedures
2.
Replace the lead wire after disconnecting the fixed clip (A).

Hyundai Palisade. Repair procedures

Precautions the MDPS specification recognition or steering angle initialization.
- Use the scan tool to check whether the battery voltage is normal before recognizing the MDPS specification or initializing the steering angle.
- Be careful not to disconnect any connectors connected to the vehicle or scan tool during the MDPS specification recognition or steering angle initialization.
- When the MDPS specification recognition or steering angle initializing is completed, turn off the IG switch and wait for more than 10 seconds, and then turn on the engine to check the normal operation.
MDPS Type Recognition procedures
1.
Connect the GDS diagnostic tool to the vehicle's self-diagnostic connector.
2.
Key on the Ignition switch.
3.
After Selecting the "vehicle model" and "system", select the "EPS Type Recognition" on GDS vehicle selection screen.
[MDPS Type Recognition]

Hyundai Palisade. Repair procedures

[MDPS Type Recognition 1]

Hyundai Palisade. Repair procedures

    Repair procedures Replacement [C-MDPS] 1. Turn the ignition switch OFF and disconnect the battery negative (-) cable.

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