Hyundai Elantra HD: VFS(Variable Force Solenoid) Valve. Repair procedures (A4CF2) - Valve Body System - Automatic Transaxle System - Hyundai Elantra HD 2006–2010 Service ManualHyundai Elantra HD: VFS(Variable Force Solenoid) Valve. Repair procedures (A4CF2)

Removal

1.
Remove the battery terminal.
2.
Lift the vehicle.
3.
Remove the under cover.
4.
Loosen the drain plug and drain the transaxle oil.
5.
Remove the oil pan. (Refer to Automatic transaxle's disassembly in 'A4CF2' overhaul manual)
6.
Remove the oil filter.
7.
Remove the valve body. (Refer to Valve body's disassembly in 'A4CF2' overhaul manual)
8.
Disconnect the VFS solenoid valve connector (A).
9.
Remove the solenoid valve assembly (B).

Installation

1.
Install the solenoid valve (B).
Apply the ATF oil or White Vaseline to the O-ring not to be damaged.

2.
Connect the solenoid valve connector (A).
When connecting the solenoid valve connector, check the connector for rust, dirt, or oil, then reconnect it.
3.
Install the valve body. (Refer to Valve body's reassembly in 'A4CF2' overhaul manual)
Tightening torque :
10~12Nm(1.0~1.2kgf.m, 7~8lb-ft)
4.
Install the oil filter.
Tightening torque :
5~7Nm(0.5~0.7kgf.m, 4~5lb-ft)
5.
Continue to apply liquid gasket at application points at the oil pan with Ø2.5mm (0.098in) thickness.
Liquid gasket Part name : Threebond 1281B

6.
Tighten the mounting bolt with the specified torque after installing the oil pan.
Tightening torque :
10~12Nm(1.0~1.2kgf.m, 7~8lb-ft)
7.
Install the drain plug.
Tightening torque :
35~45Nm(3.5~4.5kgf.m, 25~32lb-ft)
8.
Installation is the reverse of the removal.

VFS(Variable Force Solenoid) Valve. Description and Operation (A4CF2)
Description VFS valve controls the regulator valve and varies the line pressure from 4.5bar to 10.5bar according to the throttle open angle and the shift range. The holder is installed on th ...