Engine Mechanical System
Cooling System
In this manual: Engine Mechanical System
~2min read
Components and Component Location
Components

| 1. Radiator 2. Radiator Upper Hose 3. Radiator Lower Hose 4. Radiator Upper Mounting Bracket (RH) 5. Radiator Upper Mounting Bracket (LH) |
6. Right lower radiator mounting insulator 7. Left lower radiator mounting insulator 8. Cooling fan assembly 9. Reservoir 10. Reservoir hose |
Troubleshooting
Engine Overheating Troubleshooting
| Inspection | Remedy | |
| Visual Inspection | Check for lack of coolant in the coolant reservoir. | Recheck after adding coolant. |
| Check for contamination of the coolant after removing the radiator cap. |
Recheck after replacing the coolant. | |
| Inspect the coolant hoses (radiator hoses, oil cooler hoses, etc.). | After reinstalling the hoses and clamps, recheck for leaks. | |
| Inspect the installation area of the water outlet connection for leaks. | Recheck for leaks after replacing the O-ring. | |
| After tightening to the specified torque, recheck for leaks. | ||
| Inspect the drive belt (for normal operation of the water pump). | Adjust the drive belt tension or replace the belt. | |
| Inspect the water pump gasket mounting area for leaks. | Recheck for leaks after replacing the gasket. | |
| After tightening to the specified torque, recheck for leaks. | ||
| Inspect the coolant temperature sensor, the cooling fan connector, and the wiring harness. | Reconnect any loose connector. | |
| Replace the related part if the connector terminal is damaged. | ||
| Check the operation of the cooling fan. - Check the operation by turning the A/C heater control on and off. |
Check the condition of the ground cable installation. | |
| Diagnostic Device | Check the self-diagnosis code using KDS/GDS. | Check the coolant temperature sensor, wiring, connector, etc. |
| Inspection of the Unit | Inspect the water pump impeller. | Replace the water pump. |
| Check for foreign material and the condition of the thermostat valve. | Inspect the unit after removing foreign material. | |
| Check whether the thermostat valve sticks. - Immerse the thermostat in water heated above 95 °C, then heat for at least 3 minutes to check valve lift. |
Check the valve lift. - Replace the thermostat if the valve lift is below specification or the valve is stuck. |
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Test yourself
A quick Kia Stinger CK quiz: every answer comes with an explanation and a link to the manual page.
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