Symptoms
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Possible Causes
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Remedy
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Coolant leakage
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| •
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From the bleed hole of the water pump
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|
Visually check
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| •
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Check leaks after about ten-minute 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).
|
|
|
|
| •
|
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.
|
|
| •
|
Poor material. If any crack found, replace the water pump.
|
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Noise
|
|
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 a drive belt
|
| •
|
After removing a water pump and a 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 a water pump
|
| •
|
After removing a water pump and a drive belt, check noise
again.
|
|
| •
|
If there is any interference between them, replace the
water pump with a new one.
|
|
Overheating
|
|
Loosened impeller
|
| •
|
Corrosion of the impeller wing
|
|
| •
|
Poor coolant quality / Maintenance check
|
|
| •
|
Impeller seperation from the shaft
|
|
| •
|
Replace the water pump.
|
|
See also:
Engine Number
1.
Engine fuel
- G : Gasoline
2.
Engine range
- 4 : 4 cycle 4 cylinder
3.
Engine developme ...
Description
Purge Control Solenoid Valve (PCSV) is installed on the surge tank and
controls the passage between the canister and the intake manifold. It is a solenoid
valve and is open when the ECM groun ...
Intake Actuator Description
The intake actuator is located at the blower unit. It regulates the intake
door by signal from control unit. Pressing the intake selection switch will
shift between recirculation and fresh ai ...
Kia Rio: Water pump: Troubleshooting
Water pump: Inspection
Radiator: Components