Removal and Installation

WARNING: This page is about a different car, the 2013 Hyundai Elantra GT. However, it is still accessible from the selected car via links, so may be relevant.

Drain engine coolant so its level is below water temperature control assembly.
Remove the air cleaner assembly.
(Refer to "AIR CLEANER ")
Disconnect the radiator upper hose.
(Refer to Cooling System - "RADIATOR ")
Disconnect the heater hose.
(Refer to "ENGINE AND TRANSMISSION ASSEMBLY ")
Disconnect the bypass hose (A) and the throttle body coolant hose (B) (if equipped).

Fig 1: Identifying Bypass And Throttle Body Coolant Hose
Courtesy of HYUNDAI MOTOR AMERICA
Remove the water temperature control assembly (A) with the O-ring (B).
Tightening torque:

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

Fig 2: Identifying Water Temperature Control Assembly And O-Ring
Courtesy of HYUNDAI MOTOR AMERICA
Install a new O-ring.
NOTE:
- Install a new O-ring.
- Clean surface on the O-ring and install the O-ring after wetting with water.