Hyundai Elantra: Cooling System / Water Temperature Control Assembly Repair procedures

Removal and Installation

1.	Remove the engine cover. (Refer to Engine And Transaxle Assembly - “Engine Cover”)

2.	Drain the engine coolant so its level is below water temperature control assembly. (Refer to Cooling System - "Coolant")

3.	Remove the air duct and air cleaner assembly. (Refer to Intake And Exhaust System - “Air Cleaner”)

4.	Disconnect the radiator upper hose (A).

5.	Disconnect the heater hoses (A).

6.	Disconnect the bypass hose (A) and the throttle body coolant hose (B) (if equipped).

Remove the water temperature control assembly (A) with the O-ring .

Tightening torque:

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

•	Install a new O-ring.

•	Clean surface on the O-ring and install the O-ring after wetting with water.

8.	Install in the reverse order of removal.

9.	Fill the engine coolant. (Refer to Cooling System - "Coolant")

10.	Start engine and check for leaks.

Components 1. Water temperature control assembly2. Engine coolant temperature sensor3. Throttle body coolant hose (if equipped) ...

Components 1. Water pump pulley2. Water pump3. Water pump gasket ...

Hyundai Elantra AD (2016-2020) Service Manual: Underdrive Brake Control Solenoid Valve(UD/B_VFS) Description and Operation
Description • Underdrive brake control solenoid valve(UD/B) is attached to the valve body. • This variable force solenoid valve directly controls the hydraulic pressure inside the underdrive brake. ...