Hyundai Sonata: Cooling System / Water pump Repair procedures
1. |
Loosen the drain plug (A), and drain the engine coolant. Remove the radiator cap to drain with speed. ![](images/water_pump_repair_procedures-1080/1007/slfm24019n.gif)
System is under high pressure when the engine is hot.To avoid
danger of releasing scalding engine coolant, remove the cap only when
the engine is cool. |
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2. |
Remove the drive belt.
(Refer to Timing System - "Drive Belt") |
3. |
Remove the water pump pulley (A).
Tightening torque :
9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)
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![](images/water_pump_repair_procedures-1080/1007/smdem1093d.gif)
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4. |
Remove the water pump (A). ![](images/water_pump_repair_procedures-1080/1007/SMDEM1027D.gif)
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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 and gasket.
A small amount of “weeping” from the bleed hole is normal. |
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1. |
Install the new gasket and water punp (A).
Tightening torque :
9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)
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![](images/water_pump_repair_procedures-1080/1007/SMDEM1027D1.gif)
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2. |
Install the water pump pulley (A).
Tightening torque :
9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)
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![](images/water_pump_repair_procedures-1080/1007/smdem1093d.gif)
Tighten the bolts diagonally when installing. |
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3. |
Remove the drive belt.
(Refer to Timing System - "Drive Belt") |
4. |
Fill with engine coolant. |
5. |
Start engine and check for leaks. |
6. |
Recheck engine coolant level. |
Components
1. Gasket2. Water pump 3. Water pump pulley
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Troubleshooting
SymptomsPossible CausesRemedyCoolant leakage
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From the bleed hole of the water pump
Visually check
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Check leaks after about ten-minute warming up.
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If cool ...