Hyundai Santa Fe: Automatic Transaxle System / Automatic Transaxle. Repair procedures

Hyundai Santa Fe (TM) 2019-2024 Service Manual / Automatic Transaxle System (SBC) / Automatic Transaxle System / Automatic Transaxle. Repair procedures

Removal
  
Be careful not to damage the parts located under the vehicle (floor under cover, fuel filter, fuel tank and canister) when raising the vehicle using the lift.
(Refer to General Information - "Lift and Support Points")
1.
Turn ignition switch OFF and disconnect the negative (-) battery cable.
2.
Remove the air cleaner assembly and air duct.
(Refer to Engine Mechanical System - "Air Cleaner")
3.
Remove the battery and battery tray.
(Refer to Engine Electrical System - "Battery")
4.
Loosen the bolts (B) and nut (A) and then separate the shift cable and cable bracket (C) at the same time.

5.
Dissconnect the main connector (A) and the position switch connector (B).

6.
Separate the wiring clips (A).

7.
Remove the ground line (A).

8.
Loosen the bolts and then separate the engine wiring (A).

9.
Separate the ATF cooler hose (A).

  
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.
10.
Loosen the transaxle upper mounting bolts (A) and the starter mounting bolts (B).
Tightening torque :
(A) 42.2 - 54.0 N.m (4.3 - 5.5 kgf.m, 31.1 - 39.8 lb-ft)
(B) 49.0 - 63.7 N.m (5.0 - 6.5 kgf.m, 36.2 - 47.0 lb-ft)

11.
Assemble the engine support fixture use a service special tools .(Beam SST No.: 09200 - 3N000 Adapter SST No.: 09200-2W000, Engine fixture adapter (rear) SST No.: 09200-L1100, Engine fixture adapter (front) SST No.: 09200-L1200)
12.
Using the engine support fixture (A), hold the engine and transaxle assembly safely.

13.
Remove the front wheel guard. [LH]
(Refer to Body (Interior and Exterior) - "Front Wheel Guard")
14.
Loosen the transaxle bracket support mounting bolts (A).
Tightening torque :
107.9 - 127.5 N.m (11.0 - 13.0 kgf.m, 79.6 - 94.0 lb-ft)

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

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.
Loosen the bolts and then removing 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)

20.
Remove the dust cover (A).
Tightening torque :
42.2 - 48.1 N.m (4.3 - 4.9 kgf.m, 31.1 - 35.4 lb-ft)

21.
Loosen the mounting bolts (A) of the torque converter with rotating the crankshaft.
Tightening torque :
45.1 - 52.0 N.m (4.6 - 5.3 kgf.m, 33.3 - 38.3 lb-ft)

22.
Remove the automatic transaxle with a jack after loonsening the mounting bolts (A, B).
Tightening torque :
(A) 42.2 - 53.9 N.m (4.3 - 5.5 kgf.m, 31.1 - 39.8 lb-ft)
(B) 42.2 - 48.1 N.m (4.3 - 4.9 kgf.m, 31.1 - 35.4 lb-ft)

  
Be careful not to damage other system or parts near by when removing the transaxle assembly.
Installation
1.
To install, reverse the removal procedure.
  
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.

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]

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

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.
  
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.
  
When installing the new oil seal, use the special service tool (SST No.:09453-3L241, 09231-H1100).
(2)
Check the ATF level after refilling the automatic transaxle with fluid.
(Refer to Automatic Transaxle System - "Automatic Transaxle Fluid")
(3)
Drain the coolant.
(Refer to Engine Mechanical System - "Coolant")
(4)
Clear the diagnostic trouble codes (DTC) using the diagnotic tool.
  
Even though disconnecting the battery negative terminal, the DTCs will not be cleared. So, be sure to clear the DTCs using the diagnotic tool.
3.
In case of the replacing with a new automatic transaxle.
  
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 (A).
(4)
Install the ATF cooler hose (A) and (B).

(5)
Refil the coolant.
(Refer to Engine Mechanical System - "Coolant")
(6)
Reset the automatic transaxle adaptive values using the diagnotic tool.
  
Even though disconnecting the battery negative terminal, the DTCs will not be cleared. So, be sure to clear the DTCs using the diagnotic tool.

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

Oil-pressure characteristics input (Transaxle exchange)

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

    Automatic Transaxle System

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