Kia Optima: Inspection - Radiator. Repair procedures - Cooling System - Engine Mechanical System - Kia Optima TF 2011-2020 Service ManualKia Optima: 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 ~ 1.25kgf/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 ~ 1.25kgf/cm², 13.51 ~ 17.78psi).

3. Inspect for engine coolant leaks and a drop in pressure.
4. Remove the tester and reinstall the radiator cap.
Check for engine oil in the coolant and/or coolant in the engine oil.

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. ...

Water pump. Components and Components Location
Components   1. Water pump pulley 2. Water pump sub assembly 3. Water pump gasket 4. Water pump cover 5. Water pump cover gasket 6. O-ring 7. Water inle ...

See also:

Removal
1. Turn the ignition switch OFF. 2. Disconnect the OTS connector (A). 3. Remove the OTS. ...

How To Use This Manual
We want to help you get the greatest possible driving pleasure from your vehicle. Your Owner’s Manual can assist you in many ways. For your safety and the safety of your passengers, we strongly ur ...

Adjustment After Headlight Assembly Replacement
If the vehicle has had front body repair and the headlight assembly has been replaced, the headlight aiming should be checked using the aiming screen as shown in the illustration. Turn on the he ...

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