Kia Rio: Automatic Transaxle System / Automatic Transaxle

Kia Rio 2017-2024 YB Service Manual / Automatic Transaxle System / Automatic Transaxle System / Automatic Transaxle

Components and components location

Components

1. Inhibitor switch
2. Transaxle support bracket
3. Input speed sensor
4. Roll rod bracket

5. Roll rod support bracket
6. ATF cooler pipe
7. Main connector
8. ATF filler pipe
9. Torque converter

Repair procedures

Removal

Disconnect the connectors (A, B, C) and then remove the wiring from the brackets.

A.	Inhibitor switch

B.	Main connector

C.	Input speed sensor

Remove the shift cable (B) after loosening the nut (C) and bolts (A).

Tightening torque :

(A) 14.7 - 21.6 N·m (1.5 - 2.2 kgf·m, 10.9 - 15.9 lb·ft)

3.	Disconnect the output speed sensor connector (A).

Loosen the ground mounting bolt (A).

Tightening torque :

26.5 - 32.4 N·m (2.7 - 3.3 kgf·m, 19.5 - 23.9 lb·ft)

5.	Disconnect the ATF cooler hose (A).

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

Tightening torque :

9.8 - 11.8 N·m (1.0 - 1.2 kgf·m, 7.2 - 8.7 lb·ft)

Remove the transaxle upper mounting bolts (A) and the starter mounting bolts (B).

Tightening torque

(A): 42.2 - 53.9 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)

Install the engine support fixture on the engine room.

(1)	Loosen the bolts (6-pcs).

(2)	Install the engine hanger (09221-A3100).

(3)	Assemble the engine support fixture on the engine room. (Refer to Special Service Tools - "Engine support fixture assembly drawing")

9.	Support the transaxle safely on a jack.

10.	Remove the cover (A).

11.

Loosen the transaxle mounting bracket bolts (A).

Tightening torque :

88.3 - 107.9 N·m (9.0 - 11.0 kgf·m, 65.1 - 79.8 lb·ft)

12.

Remove the transaxle support bracket (A).

Tightening torque :

58.8 - 78.5 N·m (6.0 - 8.0 kgf·m, 43.4 - 57.9 lb·ft)

13.	Remove the under cover. (Refer to Engine Mechanical System - "Engine Room Under Cover")

14.	Remove the drive shaft assembly. (Refer to Driveshaft and Axle - "Front Driveshaft")

15.	Remove the cover (A).

16.

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)

17.	Support the transaxle safely on a jack.

18.

Remove the roll rod bracket after removing bolt (A, B).

Tightening torque

(A) : 107.9 - 127.5 N·m (5.0 - 6.5 kgf·m, 79.6 - 94.0 lb·ft)

(B) : 49.0 - 63.7 N·m (11.0 - 13.0 kgf·m, 36.2 - 47.0 lb·ft)

19.

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

20.

Loosen the transaxle lower 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) : 48.1 - 53.9 N·m (4.9 - 5.5 kgf·m, 35.4 - 39.8 lb·ft)

After mounting the automatic transaxle to the engine by pushing the automatic transaxle, tighten the mounting bolts after check that there is no gap (A) between the torque converter housing (B) and the engine block (C).

21.

After separating the transaxle from the engine, remove the transaxle by lowering the jack slowly.

Be careful not to damage other nearby systems or parts when removing the transaxle assembly.

Installation

Install in the reverse order of removal.

•	Matters that require attention when installing the transaxle to engine

1)	Check that there is no gap (A) between the torque converter housing (B) and the engine block (C).

2)	This gap means the torque converter is not assembled correctly and it can cause damage on the key (A) of oil pump gear. In this case, reinstall the torque converter correctly after removing the transaxle assembly.

3)	If the bolt is tightened while there is a gap, it can cause damage on the key of oil pump gear. In this case, replace the transaxle assembly after loosening the mounting bolts.

4)	If the differential oil seal is damaged and oil is leaking, replace the oil seal with a new one. When installing a new oil seal, use the SST (09453-2F300).

5)	Check that the shift lever and manual control lever are placed in the "N" position.

6)	Check the ATF level after refilling the automatic transaxle with fluid. (Refer to Hydraulic System -"Fluid")

7)	Clear the diagnostic trouble codes (DTC) using the KDS/GDS. Disconnecting the battery negative terminal will not clear the DTCs. Clear DTCs using the KDS/GDS at all times.

8)	Reset the automatic transaxle adaptive values using the KDS/GDS.

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