Kia Sorento: 28 Brake Control Solenoid Valve (28/B_VFS) Removal

Kia Sorento (MQ4, 2021-2026) Service Manual / Automatic Transaxle System / Hydraulic System / 28 Brake Control Solenoid Valve (28/B_VFS) Removal

Removal

•	Automatic transaxle is composed of delicate components. Be careful not to cause any damage on the component in the course of assembly and disassembly.

•	Maintain clean condition so that foreign substance does not get into the automatic transaxle.

•	Use a coated apron, latex gloves, and stainless tray to prevent foreign substance from getting into the automatic transaxle.

1.	Disconnect the battery negative ( - ) terminal.

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

3.	Drain the engine coolant. (Refer to Engine Mechanical System - "Coolant")

Remove the ATF drain plug (A), allow the fluid to drain out and then reinstall the drain plug.

Tightening torque :

34.0 - 44.0 N·m (3.5 - 4.5 kgf·m, 25.3 - 32.5 lb·ft)

Automatic Transaxle System — Hydraulic System / 28 Brake Control Solenoid Valve (28/B_VFS) / Removal illustration

•	The existing ATF drain plug gasket must be replaced with a new one (do not reuse).

•	Automatic transaxle fluid (ATF) can be reused. Collect it using a clean 10-liter beaker.

5.	Remove the air cleaner assembly. (Refer to Engine Mechanical System - "Air Cleaner")

Remove the wiring bracket (A).

Tightening torque :

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

Automatic Transaxle System — Hydraulic System / 28 Brake Control Solenoid Valve (28/B_VFS) / Removal illustration

7.	Remove the ATF warmer. (Refer to Hydraulic System - "ATF Warmer")

Remove the valve body cover (A) after removing the bolts.

Tightening torque :

11.8 - 13.7 N·m (1.2 - 1.4 kgf·m, 8.7 - 10.1 lb·ft)

Automatic Transaxle System — Hydraulic System / 28 Brake Control Solenoid Valve (28/B_VFS) / Removal illustration

•	Be careful not to discharge the remaining ATF when removing the valve body cover.

Separate the E-module (A) after removing the bolts.

Tightening torque :

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

Automatic Transaxle System — Hydraulic System / 28 Brake Control Solenoid Valve (28/B_VFS) / Removal illustration

10.

Remove the support bracket (A) after removing the bolts.

Tightening torque :

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

Automatic Transaxle System — Hydraulic System / 28 Brake Control Solenoid Valve (28/B_VFS) / Removal illustration

11.

Remove the valve body mounting bolt (A).

Tightening torque :

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

Automatic Transaxle System — Hydraulic System / 28 Brake Control Solenoid Valve (28/B_VFS) / Removal illustration

12.	Remove the roller (A) using a magnet.

13.	Remove the 28 brake control solenoid valve (A).

28 Brake Control Solenoid Valve (28/B_VFS) On Vehicle Inspection

Inspection 1. The automatic transaxle system can be more quickly diagnosed for problems by using the vehicle diagnostic system (KDS). (Refer ...

28 Brake Control Solenoid Valve (28/B_VFS) Installation

Installation ...

Kia Sorento: 28 Brake Control Solenoid Valve (28/B_VFS) Removal

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