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Hyundai Equus: Thermostat Repair procedures - Cooling System - Engine Mechanical System - Hyundai Equus VI 2009-2022 Service ManualHyundai Equus: Thermostat Repair procedures

Removal and Installation
1.
Disconnect the negative terminal (A) from the battery.

Tightening torque :
4.0~6.0N.m (0.4~0.6kgf.m, 3.0~4.4lb-ft)

2.
Remove the air duct, air intak hose and the air cleaner assembly.
(Refer to Engine and transaxle assembly in this group)
3.
Loosen the drain plug (A) and drain the engine coolant. Remove the radiator cap (B) to speed draining.
   
Never remove the radiator cap when the engine is hot. Serious scalding could be caused by hot fluid under high pressure escaping from the radiator.

4.
Remove the throttle body.
5.
Remove the engine coolant temperature control assembly (A).

Tightening torque :
16.7 ~ 19.6 N.m (1.7 ~ 2.0 kgf.m, 12.3 ~ 14.5 lb-ft)

6.
Remove the O-ring (A).

   
Alway use a new O-ring.
7.
Installation is reverse order of removal.
    Thermostat Components and Components Location
    Components 1. Engine coolant temperature control assembly2. Engine coolant temperature control assembly gasket3. Water outlet fitting assembly4. Water outlet fitting assembly gasket5. Water outle ...

    Thermostat Troubleshooting
    Troubleshooting SymptomsPossible CausesRemedyCoolant leakage Х From the thermostat gasket Check the mounting bolts Х Check the torque of the mounting bolts Х Retighten the bolts an ...

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