Hyundai Creta: Valve Body System / Valve Body

Hyundai Creta GS 2014-2024 Service Manual / Automatic Transaxle System / Valve Body System / Valve Body

Description and operation

Description
The valve body is essential to automatic transaxle control and consists of various valves used to control the oil feed from the oil pump. Specifically, these valves consist of pressure regulator valves, oil redirection valves, shift valves, and manual valves.
The body also features electronic solenoid valves that ensure smooth gear changes.

Valve Body Flow

1. To cooler
2. From cooler
3. Lubrication (Rear)
4. OD Clutch pressure
5. Reducing pressure (Red 2)
6. Reducing pressure (Red 1)
7. Damper release pressure
8. Damper apply pressure
 9. Lubrication (Front)
10. 35R Clutch pressure
11. 26 Brake pressure
12. From oil pump
13. To oil pump
14. Underdrive (UD) Brake pressure
15. Low & reverse pressure

Components and components location

Components Location

1. Pressure Control Valve (PCV) adjust screw
2. Solenoid valve bracket
3. Oil temperature sensor
4. Line Pressure Control Solenoid Valve
5. SS-A Solenoid Valve (ON/OFF)
6. SS-B Solenoid Valve (ON/OFF)
7. Overdrive Clutch Control Solenoid Valve (OD/C)
 8. Underdrive Brake Control Solenoid Valve (UD/B)
9. 26 Brake Control Solenoid Valve (26/B)
10. 35R Clutch Control Solenoid Valve (35R/C)
11. Torque Converter Control Solenoid Valve (T/CON)
12. LR/B pressure fiow hole
13. UD/B pressure fiow hole
14. Accumulator

Repair procedures

Removal
1.
Remove the under cover.
(Refer to Engine Mechanical System - "Engine room under cover")
2.
Remove the battery and battery tray.
(Refer to Engine Electrical System - "Battery")
3.
Remove the drain plug (A) and drain the ATF totally and then reinstall the drain plug.
Tightening torque :
33.3 ~ 43.1 N.m (3.4 ~ 4.4 kgf.m, 24.6 ~ 31.8 lb-ft)

  
•
Replace the gasket before reinstalling the drain plug.
•
After the installation, start the engine and then check if there are any leakages from the drain plug.
4.
Remove the wiring mounting bolt (A) or clip.
Tightening torque :
9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)

5.
Disconnect the air breather hose (A) from the valve body cover.
6.
Remove the valve body cover (A).
Tightening torque :
11.8 ~ 13.7 N.m (1.2 ~ 1.4 kgf.m, 8.7 ~ 10.1 lb-ft)

  
•
Replace the gasket (B) before reinstalling the valve body cover.
•
After the installation, start the engine and then check if there are any leakages from the valve body cover.
7.
Disconnect the oil temperature sensor (A) and solenoid valve connector (B) from the valve body.
Tightening torque :
9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)

  
•
Check for the looseness, poor connection, bending, corrosion, contamination, deterioration, or damage before reinstalling the solenoid valve connector.
8.
Remove the valve body assembly (A).
Tightening torque :
9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)

  
•
Reassembly and disassembly procedures of the valve body assembly, refer to overhaul manual.
Installation
1.
To install, reverse the removal procedure.
2.
Check fluid level, after filling the automatic transaxle with fluid.
(Refer to Hydraulic System - "Fluid")
3.
Reset the automatic transaxle adaptive values using the GDS.
4.
Perform the TCM adaptive values learning procedure.
(Refer to Automatic Transaxle Control System - "Repair procedures")
Components and components location
Components Location 1. Valve body assembly 2. Automatic transaxle 3. Valve body cover 4. Air breather hose 5. Air breather hose clamp 6. Valve body cove ...

Automatic Transaxle System
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