Kia Optima: Removal and Installation - Radiator. Repair procedures - Cooling System - Engine Mechanical System - Kia Optima TF 2011-2020 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:

Inspection
1. Check-points upon head lamp failure (HID) (1) Check the battery voltage. (Low beam will be on when the battery voltage above 9V.) (2) ...

Components(1)
1. Front bumper cover 2. Front bumper upper strip assembly 3. Radiator grill upper cover 4. Front bumper lower stiffner 5. Front bumper rail assembly 6. Front bum ...

Use approved window washer anti-freeze in system
To keep the water in the window washer system from freezing, add an approved window washer anti-freeze solution in accordance with instructions on the container. Window washer anti-freeze is ...

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