Hyundai Palisade: Cooling System / Water Temperature Control Assembly

Hyundai Palisade (LX2) 2020-2024 Service Manual / Engine Mechanical System / Cooling System / Water Temperature Control Assembly

Repair procedures
Removal and Installation
Hyundai Palisade. Repair procedures   
Be careful not to damage the parts located under the vehicle (floor under cover, fuel filter, fuel tank and canister) when raising the vehicle using the lift.
(Refer to General Information - "Lift and Support Points")
Hyundai Palisade. Repair procedures   
To avoid damage, unplug the wiring connectors carefully while holding the connector portion.
Hyundai Palisade. Repair procedures   
Mark all wiring and hoses to avoid misconnection.
Water Temperature Control Assembly
1.
Disconnect the battery negative terminal.
2.
Remove the engine cover.
(Refer to Engine and Transaxle Assembly - "Engine Cover")
3.
Remove the air duct.
(Refer to Intake and Exhaust System - "Air Cleaner")
4.
Disconnect the battery positive terminal.
5.
Remove the air cleaner assembly.
(Refer to Intake and Exhaust System - "Air Cleaner")
6.
Remove the battery and battery tray.
(Refer to Engine Electrical System - "Battery")
7.
Remove the engine room under cover.
(Refer to Engine and Transaxle Assembly - "Engine Room Under Cover")
8.
Drain the engine coolant.
(Refer to Cooling System - "Coolant")
9.
Disconnect the radiator upper hose (A).

Hyundai Palisade. Repair procedures

10.
Disconnect the radiator lower hose (A).

Hyundai Palisade. Repair procedures

11.
Disconnect the water temperature sensor connector (A).

Hyundai Palisade. Repair procedures

12.
Disconnect the control wiring harness connectors and fasteners and remove the wiring harness protectors from the water temperature control assembly.

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures

13.
Disconnect the heater hoses (A).

Hyundai Palisade. Repair procedures

14.
Disconnect the ATF warmer hose (A).

Hyundai Palisade. Repair procedures

15.
Remove the water temperature control assembly (A).
Tightening torque :
19.6 - 23.5 N.m (2.0 - 2.4 kgf.m, 14.5 - 17.4 lb.ft)

Hyundai Palisade. Repair procedures

16.
Remove the water temperature control assembly gasket (A).
[LH]

Hyundai Palisade. Repair procedures

[RH]

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures   
Always use new gaskets.
17.
Install in the reverse order of removal.
18.
Fill the radiator with coolant.
(Refer to Cooling System - "Coolant")
19.
Start engine and check for leaks.
20.
Recheck the coolant level.
Hyundai Palisade. Repair procedures   
Refill engine coolant.
Refill radiator and reservoir tank with engine coolant.
Bleed air from the cooling system.
Start the engine and let it run until it warms up until the radiator fan operates 3 to 4 times).
Turn off the engine. Check the level in the radiator, and add coolant if needed. This will release trapped air from the cooling system.
Put radiator cap on tightly, then run the engine again and check for leaks.
Before assembling the water temperature control assembly, clean the battery posts and cable terminals with sandpaper and grease the o-ring to prevent corrosion.
Water Center Pipe
1.
Remove the water temperature control assembly.
2.
Remove the surge tank.
(Refer to Intake and Exhaust System - "Surge Tank")
3.
Remove the intake manifold.
(Refer to Intake and Exhaust System - "Intake Manifold")
4.
Remove the water center pipe (A).
Tightening torque :
9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb.ft)

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures   
Do not reuse water pipe O-ring.
5.
Install in the reverse order of removal.

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