Kia Cadenza: Cooling System / Radiator Repair procedures

Kia Cadenza YG 2016-2025 Service Manual / Engine Mechanical System / Cooling System / Radiator Repair procedures

Removal and Installaton

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

2.	Drain the coolant. (Refer to Cooling System - “Coolant”)

Remove the radiator upper hose (A) and lower hose (B).

Install the radiator hoses as shown illustrations.

4.	Disconnect the ATF cooler hoses. (Refer to Automatic Transaxle System - "Automatic Transaxle")

5.	Remove the radiator grill upper guard (A).

6.	Disconnect the over flow hose (A).

7.	Remove the radiator upper mounting bracket assembly (A).

8.	Separate the condenser from the radiator and then pull radiator (A) up and remove it from engine room.

Fill the radiator with coolant and check for leaks.

•	Bleed air from the cooling system.

–	Start engine and let it run until it warms up. (Until the radiator fan operates 3 or 4 times.)

–	Turn off engine and let it cool down. Check the coolant level and add coolant if needed. This will allow trapped air to be removed from the cooling system.

–	Put the radiator cap on tightly, then run engine again and check for leaks.

Inspection

Radiator Cap Testing

1.	Remove the radiator cap, wet its seal with engine coolant, and then install it on a pressure tester.

2.	Apply a pressure of 93.16 ~ 122.58kpa (0.95 ~ 1.25kg/cm², 13.51 ~ 17.78psi).

3.	Check for a drop in pressure.

4.	If the pressure drops, replace the cap.

Radiator Leakage Test

1.	Wait until engine is cool, then carefully remove the radiator cap and fill the radiator with engine coolant, then install it on the pressure tester.

2.	Apply a pressure tester to the radiator and apply a pressure of 93.16 ~ 122.58kpa (0.95 ~ 1.25kg/cm², 13.51 ~ 17.78psi).

3.	Inspect for engine coolant leaks and a drop in pressure.

Remove the tester and reinstall the radiator cap.

Check for engine oil in the coolant and/or coolant in the engine oil.

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