• The hydraulic system consists of a valve body, an oil filter and an oil pump.
• The oil pump is powered by the engine. ATF passes through the oil filter and gets distributed along the oil channels.
• The oil becomes highly pressurized as it exits the oil pump and passes through the line pressure valve before being fed to the clutch & brake control valve, clutch, and brakes.
• TCM controls the hydraulic pressure using solenoid valves and controls clutch and brake operations.

Hydraulic System
Electronic Oil Pump (EOP)Hyundai Tucson (NX4) 2022-2026 Service Manual: Repair procedures
- Adjustment
1.In the body electrical system, failure can be quickly diagnosed by
using the vehicle diagnostic system (diagnostic tool).The diagnostic
system (diagnostic tool) provides the following information.(1)Fault Code Searching : Checking failure and code number (DTC)
(2)Data Analysi ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Automatic Transaxle Fluid (ATF)
- Components Location
1. ATF Injection plug (Eyebolt)2. ATF injection plug gasket3. ATF level check plug4. ATF level check plug gasket5. Drain plug gasket6. Drain plug
- Automatic Transaxle Fluid (ATF) Level Check
• When checking the oil level, be careful not t ...