Kia Optima: Inspection - Radiator. Repair procedures - Cooling System - Engine Mechanical System - Kia Optima TF 2011-2026 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:

Front Door Edge Warning Light
A red light comes on when the front door is opened. The purpose of this light is to assist when you get in or out and also to warn passing vehicles. ...

Summer tires
Kia specifies summer tires on some models to provide superior performance on dry roads. Summer tire performance is substantially reduced in snow and ice. Summer tires do not have the tire tr ...

Front Seat. Components and Components Location
Components 1. Headrest 2. Headrest guide 3. Front seat back cover 4. Front seat back warmer 5. Front seat back frame 6. Front seat duct 7. Front seat back boa ...

Copyright www.kiopman.com 2026