Kia Optima: Troubleshooting - Water pump. Troubleshooting - Cooling System - Engine Mechanical System - Kia Optima TF 2011-2020 Service ManualKia Optima: Troubleshooting

Water Pump

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


Water pump. Troubleshooting
...

Thermostat. Repair procedures
...

See also:

Specifications
Specification Item Specification Ultrasonic sensor Voltage rating DC 8.5 V Detecting range 40 cm ~ 120 cm ...

Removal
1. Disconnect the vapor hose (A). 2. Remove the PCV valve (B). ...

Multimedia jack. Description and Operation
Description The multimedia jack on the console upper cover is for customers who like to listen to external portable music players like the MP3, iPod and etc., through the vehicle's sound syst ...

Copyright © www.kiopman.com 2020