Kia Optima: Inspection - Radiator. Repair procedures - Cooling System - Engine Mechanical System - Kia Optima TF 2011-2025 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:

Opening the fuel filler lid
The fuel filler lid must be opened from inside the vehicle by pushing the fuel filler lid opener button. ✽ NOTICE If the fuel filler lid will not open because ice has formed around it, ta ...

Recommended SAE Viscosity Number
✽ NOTICE Always be sure to clean the area around any filler plug, drain plug, or dipstick before checking or draining any lubricant. This is especially important in dusty or sandy areas an ...

Adjustment
Adjusting method for T/M control cable 1. Make sure vehicle does not roll before setting room side shift lever and T/M side manual control lever to "N" pos ...

Copyright © www.kiopman.com 2025