Kia Optima: Inspection - Radiator. Repair procedures - Cooling System - Engine Mechanical System - Kia Optima TF 2011-2019 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:

Troubleshooting
Troubleshooting Problem Symptoms Table Use the table below to help you find the cause of the problem. The numbers indicate the priority of the like cause of the problem. Check each par ...

Removal
Passenger Compartment Junction Box (SJB) 1. Disconnect the negative(-) battery terminal. 2. Remove the crash pad lower panel (A).(Refer to the BD group - "Crash p ...

Removal
Replacing an on/off solenoid valve (SS-A, SS-B) does not require additional hydraulic pressure adjustment; however, the hydraulic pre ...

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