Symptoms
|
Possible Causes
|
Remedy
|
Coolant leakage
|
| • |
From the bleed hole of the water pump
|
|
Visually check
|
| • |
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).
|
|
| • |
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.
|
|
| • |
Poor material. If any crack found, replace the water pump.
|
|
Noise
|
| • |
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 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
|
|
| • |
Check engine coolant.
|
| • |
Poor coolant quality / Maintenance check
|
|
| • |
Impeller seperation from the shaft
|
|
| • |
Replace the water pump.
|
|
See also:
Troubleshooting
Symptom
Suspect area
Engine will not start or stuggle to start
Vapor hose damaged or disconnected
Engine stuggle to start
Malfunction of the Purge ...
Occupant Detection system (ODS) Removal
1.
Disconnect the battery negative cable, and wait for at least three
minutes before beginning work.
2.
Remove the front passenger seat ass ...
Exhaust Manifold Components
1. Heat protector
2. Exhaust manifold
3. Exhaust manifold gasket
4. Exhaust manifold stay
...
Kia Sorento: Water pump Troubleshooting
Water pump Inspection