Kia Optima: Removal and Installation - Radiator. Repair procedures - Cooling System - Engine Mechanical System - Kia Optima TF 2011-2024 Service ManualKia Optima: Removal and Installation

1. Disconnect the battery terminals. (Refer to Engine and transaxle assembly in this group)
2. Remove the air cleaner assembly and the intercooler inlet/outlet hoses. (Refer to Engine and transaxle assembly in this group)
3. Remove the battery and battery tray. (Refer to Engine and transaxle assembly in this group)
4. Remove the under covers. (Refer to Engine and transaxle assembly in this group)
5. Loosen the drain plug, and drain the engine coolant. Remove the radiator cap to drain with speed.
6. Disconnect the radiator upper hose (A).

7. Disconnect the lower hose (A), the fan motor connector (B) and then remove the cooling fan assembly (C).

Tightening torque :

4.9 ~ 7.8 N.m (0.5 ~ 0.8 kgf.m, 3.6 ~ 5.8 lb-ft)


8. Disconnect the ATF cooler hoses (A/T only). (Refer to AT group)

9. Disconnect the over flow hose (A) from the radiator.

10. Remove the radiator mounting brackets (A).

Tightening torque:

3.9 ~ 5.9 N.m (0.4 ~ 0.6 kgf.m, 2.9 ~ 4.3 lb-ft)


11. Separate the condenser from the radiator and then remove the radiator assembly (A).

12. Installation is the reverse order of removal.
13. 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. 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.

Radiator. Repair procedures
...

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 ~ 122.58k ...

See also:

Specifications
Specifications Items Specifications Rated voltage DC 12V Operating temperature range -30°C ~ +80°C (-22 ~ +176°F) ...

Head Lamp Aiming Instructions
<Mechanical aiming> The head lamps should be aimed with the proper beam-setting equipment, and in accordance with the equipment manufacturer's instructions. ...

Battery saver function
The purpose of this feature is to prevent the battery from being discharged. The system automatically turns off the parking lights when the driver removes the ignition key (smart key: turns o ...

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