• 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: Side Sill Molding
- Replacement
• When removing with a flat-tip screwdriver or remover, wrap protective tape around the tools to prevent damage to components.
• Put on gloves to prevent hand injuries.
1.Loosen the mounting screws, remove the side seal molding (A).
2.To install, rev ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: CVVT (Continuously Variable Valve Timing) System
- Description
Continuous Variable Valve Timing (CVVT) system advances or retards the
valve timing of the intake and exhaust valve in accordance with the ECM
control signal which is calculated by the engine speed and load.By
controlling CVVT, the valve over-lap or under-lap occurs, which mak ...