Hyundai Palisade: Automatic Transaxle System / Automatic Transaxle

Hyundai Palisade (LX2) 2020-2024 Service Manual / Automatic Transaxle System (A8LF1) / Automatic Transaxle System / Automatic Transaxle

Repair procedures
Removal
Hyundai Palisade. Repair procedures   
Carefully install the clamp not to damage the hose.
Install the clamp in a correct direction not to be interfered with other parts.
After the installation, start the engine and then check if there are any leakages from the hose.
1.
Turn ignition switch OFF and disconnect the negative (-) battery cable.
2.
Remove the air duct and the air cleaner assembly.
(Refer to Engine Mechanical System - "Air Cleaner")
3.
Remove the battery and battery tray.
(Refer to Engine Electrical System - "Battery")
4.
Disconnect the main connector (A), electronic shift actuator connector (B) and position sensor connector (C).

Hyundai Palisade. Repair procedures

5.
Remove the bolt (A) and then separate the wiring (B).

Hyundai Palisade. Repair procedures

6.
Loosen the bolt (A) and then separate the wiring (B).

Hyundai Palisade. Repair procedures

7.
Remove the ground line (A).

Hyundai Palisade. Repair procedures

8.
Separate the ATF cooler hose (A).

Hyundai Palisade. Repair procedures

9.
Remove the CKP sensor (A) after loosening the bolt.

Hyundai Palisade. Repair procedures

10.
Remove the transaxle upper mounting bolts (A, B).
Tightening torque :
(A) 32.4 - 49.0 N.m (3.3 - 5.0 kgf.m, 23.9 - 36.2 lb-ft)
(B) 63.7 - 83.4 N.m (6.5 - 8.5 kgf.m, 47.0 - 61.5 lb-ft)

Hyundai Palisade. Repair procedures

11.
Assemble the engine support fixture use a (Beam SST No..: 09200 - 3N000, Supporter SST No..: 09200-2S000, Adaptor SST No..: 09200-2W000).
12.
Using the engine support fixture, hold the engine and transaxle assembly safely.

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures   
After installing SST, check that the tightening nuts are surely tightened.
Support the jack (A) in the lower part of the engine safely when working underside of the transaxle.

Hyundai Palisade. Repair procedures

13.
Remove the cover (A).

Hyundai Palisade. Repair procedures

14.
Remove the transaxle mounting bracket bolts (A).
Tightening torque :
107.9 - 127.5 N.m (11.0 - 13.0 kgf.m, 79.6 - 94.0 lb-ft)

Hyundai Palisade. Repair procedures

15.
Loosen the transaxle support bracket mounting bolts and then removing the transaxle support bracket (A).
Tightening torque :
58.9 - 78.5 N.m (6.0 - 8.0 kgf·m, 43.4 - 57.9 lb-ft)

Hyundai Palisade. Repair procedures

16.
Remove the under cover.
(Refer to Engine Mechanical System - "Engine Room Under Cover")
17.
Remove the sub frame.
(Refer to Suspension System - "Sub Frame")
18.
Remove the driveshaft assembly.
(Refer to Driveshaft and Axle - "Front Driveshaft")
19.
In case of 4WD vehicle, remove the transfer assembly.
(Refer to 4 Wheel Drive System-"Transfer Assembly")
20.
Disconnect the EOP(Electronic Oil Pump) connector (A).

Hyundai Palisade. Repair procedures

21.
Remove the dust cover (A).
Tightening torque :
39.2 - 46.1 N.m (1.0 - 1.2 kgf.m, 28.9 - 33.9 lb-ft)

Hyundai Palisade. Repair procedures

22.
Remove the torque converter mounting bolts (A) by rotating the crankshaft.
Tightening torque :
45.1 - 52.0 N.m (4.6 - 5.3 kgf·m, 33.3 - 38.3 lb-ft)

Hyundai Palisade. Repair procedures

23.
Remove the roll rod support bracket (A).
Tightening torque :
49.0 - 68.6 N.m (5.0 - 7.0 kgf·m, 36.2 - 50.6 lb·ft)

Hyundai Palisade. Repair procedures

24.
Support the transaxle safely with a jack.
25.
Remove the starter mounting bolts (A).
Tightening torque :
49.0 - 63.7 N.m (5.0 - 6.5 kgf.m, 36.2 - 47.0 lb-ft)

Hyundai Palisade. Repair procedures

26.
Loosen the transaxle lower mounting bolts (A, B).
Tightening torque :
(A) 39.2 - 46.1 N.m (4.0 - 4.7 kgf.m, 28.9 - 34.0 lb-ft)
(B) 78.5 - 98.1 N.m (8.0 - 10.0 kgf.m, 57.9 - 72.3 lb-ft)

Hyundai Palisade. Repair procedures

27.
After separating the transaxle from the engine, remove the transaxle by lowering the jack slowly.
Hyundai Palisade. Repair procedures   
Be careful not to damage other nearby systems or parts when removing the transaxle assembly.
Installation
1.
To install, reverse the removal procedure.
Hyundai Palisade. Repair procedures   
1)
Before reassembling the automatic transaxle to the engine assembly, make sure that there is no gap (A) between automatic transaxle and engine assembly as below illustration. Do not reassemble the automatic transaxle to the engine assembly when this gap (A) exist.

Hyundai Palisade. Repair procedures

2)
While there is a gap, It would be meaning that the key of oil pump gear is not assembled properly to the torque converter hub. In this case, remove the automatic transaxle assembly and then reinstall the torque converter to automatic transaxle assembly according to the key shape of oil pump gear.
[Correct Assembly (A) - Oil Pump Key Part (B) Engaged Properly]

Hyundai Palisade. Repair procedures

[Incorrect Assembly (C) - Torque Converter Protruded due to Interference with the Oil Pump Key Part (D)]

Hyundai Palisade. Repair procedures

3)
If the mounting bolt is tightened forcibly in spite of a gap, key of oil pump gear will be damaged or broken. In this case, replace the automatic transaxle assembly.
Hyundai Palisade. Repair procedures   
Follow the separted each procedure as below according to reinstallation or replacing with a new automatic transaxle.
2.
In case of the reinstallation.
(1)
Replace the oil seal with a new one when ATF leak occurred because of differential oil seal damage.
Hyundai Palisade. Repair procedures   
When installing the new oil seal, use the special service tool.
(2)
Check the ATF level after refilling the automatic transaxle with fluid.
(Refer to Automatic Transaxle System - "Automatic Transaxle Fluid")
(3)
Clear the diagnostic trouble codes (DTC) using the diagnostic tool.
Hyundai Palisade. Repair procedures   
Even though disconnecting the battery negative terminal, the DTCs will not be cleared. So, be sure to clear the DTCs using the diagnostic tool.
3.
In case of the replacing with a new automatic transaxle.
Hyundai Palisade. Repair procedures   
New automatic transaxle is already filled with specified quantity ATF.
For that reason, it does not necessary to refill and check the ATF but the remaining ATF inside of ATF cooler have to be removed.
(1)
Set the air blow gun in front of the ATF cooler hose (A).
(2)
Set the cup in front of the ATF cooler hose (B).
(3)
Remove the remaining ATF by blowing air into ATF cooler hose.
(4)
Install the ATF cooler hose (A) and (B).

Hyundai Palisade. Repair procedures

(5)
Clear the diagnostic trouble codes (DTC) using the diagnostic tool.
Hyundai Palisade. Repair procedures   
Even though disconnecting the battery negative terminal, the DTCs will not be cleared. So, be sure to clear the DTCs using the diagnostic tool.
(6)
Reset the automatic transaxle adaptive values using the diagnostic tool.

Hyundai Palisade. Repair procedures

(7)
Perform the oil pressure characteristics input procedure.
Oil pressure characteristics (bar code) location

Hyundai Palisade. Repair procedures

Oil-pressure characteristics input (Transaxle exchange)

Hyundai Palisade. Repair procedures

(8)
Perform the TCM adaptive values learning procedure.
(Refer to Automatic Transaxle Control System - "Repair Procedures")

    Automatic Transaxle System

    ..

    Automatic Transaxle Fluid (ATF)

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