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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| •
|
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.
|
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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
|
|
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
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| •
|
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:
Driver's and passenger's front air bag
Your vehicle is equipped with an Advanced Supplemental Restraint (Air Bag) System
and lap/shoulder belts at both the driver and passenger seating position.
The indications of the system's prese ...
Inspection
Cylinder Head
1.
Inspect for flatness.
Using a precision straight edge and feeler gauge, measure the
surface the contacting the cylinder block and the manifolds ...
Removal
1.
Disconnect the battery negative cable from the battery and then
wait for at least 30 seconds.
2.
Turn the steering wheel so that the fr ...
Kia Rio: Water pump: Troubleshooting
Water pump: Inspection
Radiator: Components