Kia Optima Hybrid: Cooling System / Water pump Repair procedures
| Removal and Installation |
| 1. |
Loosen the drain plug, and then drain the engine coolant. Remove the radiator cap to help drain the coolant faster. |
| 2. |
Remove the water pump drive belt (A).
When installing the water pump drive belt,
|
| 3. |
Remove the water pump pulley (A) and the dust cover (B).
|
| 4. |
Remove the water pump (A) with the gasket.
|
| 5. |
Remove the exhaust manifold heat protector. (Refer to Intake and exhaust system) |
| 6. |
Remove the water pump cover (B) with the gasket and the water inlet pipe (A).
|
| 7. |
Installation is reverse order of removal with a new water pump gasket. |
| 8. |
Fill the engine coolant. |
| 9. |
Start the engine and check for leaks. |
| 10. |
Recheck the coolant level. |
| Inspection |
| 1. |
Check each part for cracks, damage or wear, and replace the coolant pump assembly if necessary. |
| 2. |
Check the bearing for damage, abnormal noise and sluggish rotation, and replace the coolant pump assembly if necessary. |
| 3. |
Check for coolant leakage. If coolant leaks from hole, the seal is defective. Replace the coolant pump assembly.
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Water pump Components and Components Location
Components 1. Water pump pulley2. Dust cover3. Water pump sub assembly (Water pump housing)4. Water pump housing gasket5. Water pump cover6. Water pump gasket7. Water inlet pipe gasket (O-ring)8. Water ...
Water pump Troubleshooting
Troubleshooting SymptomsPossible CausesRemedyCoolant leakage • From the bleed hole of the water pump Visually check • Check leaks after about ten-minute warming up. • If coolant still leaks, replace ...
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