Kia Rio: Water pump: Troubleshooting
Water Pump
Symptoms
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Possible Causes
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Remedy
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Coolant leakage
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From the bleed hole of the water pump
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Visually check
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Check leaks after about ten-minute warming up.
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If coolant still leaks, replace a water pump.
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If leakage stops, reuse the water pump (Do not replace
the pump with a new one).
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Check the tightening of the water pump mounting bolts.
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Retighten the mounting bolts.
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Check damage of gaskets or inflow of dust.
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Replace the gasket and clean dust off.
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From outer surface of water pump
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Check the material or any cracks of the water pump.
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Poor material. If any crack found, replace the water pump.
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Noise
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Inspection with a stethoscope
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After starting the engine, check noise with a stethoscope.
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If there is no noise, reuse the water pump(do not replace
it).
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If there is any noise from the water pump, remove the
drive belt and recheck.
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Inspection after removing a drive belt
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After removing a water pump and a drive belt, check noise
again.
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If there is noise, reuse the water pump. Check other drive
line parts.
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If there is no noise, replace the water pump with a new
one.
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Inspection after removing a water pump
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After removing a water pump and a drive belt, check noise
again.
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If there is any interference between them, replace the
water pump with a new one.
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Overheating
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Loosened impeller
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Corrosion of the impeller wing
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Poor coolant quality / Maintenance check
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Impeller seperation from the shaft
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Replace the water pump.
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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, abnorma ...
1. Cooling fan & reservoir tank assembly
2. Radiator lower hose
3. Air guard
4. Upper cover
5. Radiator upper hose
6. Filler neck
...
See also:
Line Pressure Control Solenoid Valve Specifications
Direct control VFS[LINE Pressure]
▷ Control type : Normal low type
Control Pressure kpa (kgf/cm², psi)
500.14 ~ 9.81 (5.1 ~ 0.1,72.54 ~ 1.42)
Current ...
Auto Light Sensor Inspection
In the state of IGN1 ON, when multi function switch module detects auto
light switch on, tail lamp relay output and head lamp low relay output are controlled
according to auto light sensor ...
Delivery Pipe Removal
In case of removing the high pressure fuel pump, high pressure
fuel pipe, delivery pipe, and injector, there may be inju ...