Engine Mechanical System
WATER TEMPERATURE CONTROL ASSEMBLY
In this manual: Engine Mechanical System
10steps
~60min
3/5difficulty
Done 0 of 10
Components and Component Location
COMPONENTS

| 1. Water temperature control unit 2. Engine coolant temperature sensor |
3. Coolant hose to throttle body (if equipped) |
Repair Procedures
Removal and Installation
- Remove the engine cover. (Refer to Engine and Transaxle - "Engine Cover")
- Drain the engine coolant. (Refer to Cooling System - "Coolant")
- Remove the air cleaner assembly. (Refer to Intake and Exhaust System - "Air Cleaner")
- Disconnect the upper radiator hose. (Refer to Cooling System – "Radiator".)
- Disconnect the heater hose. (Refer to Engine and Transaxle – "Engine and Transaxle")
- Disconnect the bypass hose (A) and the coolant hose from the throttle body (B) (if equipped).

- Remove the water temperature control unit (A) with the gasket (O-ring).
Tightening torque: 9.8–11.8 N·m

- To install, perform the removal procedure in reverse order.
- Refill the engine coolant. (Refer to Cooling System – "Coolant".)
- Start the engine and check for leaks.
Test yourself
A quick Hyundai Tucson quiz: every answer comes with an explanation and a link to the manual page.
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