Kia Sedona: Water pump Troubleshooting - Cooling System - Engine Mechanical System - Kia Sedona YP Service ManualKia Sedona: Water pump Troubleshooting

Third generation YP (2014-2020) / Kia Sedona YP Service Manual / Engine Mechanical System / Cooling System / Water pump Troubleshooting

Troubleshooting
Trouble Symptom
Probable Cause
Remedy
Coolant leakage
From the bleed hole of the water pump
Visually check
Check leaks after about 10 minutes of warming up.
If coolant still leaks, replace a water pump.
If leakage stops, reuse the water pump (Do not replace the pump with a new one).
From gaskets or bolts
Check the tightening of the water pump mounting bolts.
Retighten the mounting bolts.
Check damage of gaskets or inflow of dust.
Replace the gasket and clean dust off.
From outer surface of water pump
Check the material or any cracks of the water pump.
Material defect. If any cracks are found, replace the water pump.
Noise
From bearings
From mechanical seals
Impeller interference
Inspection with a stethoscope
After starting the engine, check noise with a stethoscope.
If there is no noise, reuse the water pump (do not replace it).
If there is any noise from the water pump, remove the drive belt and recheck.
Inspection after removing the drive belt.
After removing the water pump and the drive belt, check noise again.
If there is noise, reuse the water pump. Check other drive line parts.
If there is no noise, replace the water pump with a new one.
Inspection after removing the water pump
After removing the water pump and the drive belt, check noise again.
If there is any interference between them, replace the water pump with a new one.
Overheating
Damaged impeller
Loosened impeller
Loosened impeller
Corrosion of the impeller wing
Check engine coolant.
Poor coolant quality / Maintenance check
Impeller seperated from the shaft
Replace the water pump.

Water pump Repair procedures
Removal 1. Remove the engine room under cover. (Refer to Engine And Transaxle Assembly - "Engine Room Under Cover") 2. Drain the coolant. (Refer to Cooling System - "Coolant") 3. Remove ...

Thermostat Components and Components Location
Components 1. Water temperature control assembly2. Thermostat3. Water inlet fitting pipe ...

Other Information:

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Component Location 1. Windshield deicer relay (Built-in engine room relay box)2. Windshield deicer switch (DATC type)3. Windshield deicer switch (Manual type)4. Windshield deicer5. Deicer connect ...

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