KIA Niro: Water pump Repair procedures
Removal
Warning
- Be sure to read and follow the "General Safety Information and Caution" before doing any work related with the high voltage system. Failure to follow the safety instructions may result in serious electrical injuries.
- Be sure to shut off the high voltage circuit according to the "High Voltage Shut-off Procedures" before doing any work related with the high voltage system to avoid serious electrical injuries.
- Shut off the high voltage circuit.
(Refer to Engine Mechanical System - "High Voltage Shut off Procedure")
- Remove the engine room under cover.
(Refer to Engine and Transaxle Assembly - "Engine Room Under Cover")
- Drain the coolant.
(Refer to Cooling System - "Coolant")
- Remove the drive belt.
(Refer to Drive Belt System - "Drive belt")
- Separate the water pump pulley (A).
Tightening torque : 9.8 - 11.8 N*m (1.0 - 1.2 kgf*m, 7.2 - 8.7 lb*ft)
- Remove the water pump (A) with water pump pulley.
Tightening torque : 7.8 - 11.8 N*m (0.8 - 1.2 kgf*m, 5.8 - 8.7 lb*ft)
- Remove the water pump gasket (A).
- Install in the reverse order of removal.
Warning
Install a new water pump gasket.
- Fill the engine coolant.
(Refer to Cooling System - "Coolant")
- Start the engine and check for leaks.
- Recheck the coolant level.
Water Pump Cover
- Remove the engine room under cover.
(Refer to Engine and Transaxle Assembly - "Engine Room Under Cover")
- Drain the coolant.
(Refer to Cooling System - "Coolant")
- Disconnect the coolant hose (A).
- Remove the thermostat.
(Refer to Cooling System - "Thermostat")
- Remove the heater pipe.
(Refer to Cooling System - "Water Temperature Control Assembly")
- Remove the water pump.
- Remove the water pump cover (A).
Tightening torque : 18.6 - 23.5 N*m (1.9 - 2.4 kgf*m, 13.7 - 17.4 lb*ft)
- Install in the reverse order of removal.
- Fill the engine coolant.
(Refer to Cooling System - "Coolant")
- Start the engine and check for leaks.
Inspection
- Check each part for cracks, damage or wear, and replace the coolant pump assembly if necessary.
- Check the bearing for damage, abnormal noise and sluggish rotation, and replace the coolant pump assembly if necessary.
- Check for coolant leakage. If coolant leaks from hole, the seal is defective. Replace the coolant pump assembly.
Warning
A small amount of "weeping" from the bleed hole is normal.
READ NEXT:
Thermostat Repair procedures
Removal and
Installation
Warning
Disassembly of the thermostat may have an adverse effect, causing
deteriorated cooling efficiency. Do not
remove the thermostat, even if the engine tends to overheat.
Remove the engine room under cover.
(R
Water Temperature Control Assembly
Removal and Installation
Water Temperature Control Assembly
Disconnect the battery negative terminal.
Loosen the drain plug, and drain the engine coolant. Remove the
reservoir cap to help drain the coolant
faster.
(Refer to Cool
Heater Pipe | Active Air Flap (AAF) Repair procedure
Disconnect the battery negative terminal.
Loosen the drain plug, and drain the engine coolant. Remove the reservoir cap to help drain the coolant faster.
(Refer to Cooling System - "Coolant")
Remove
SEE MORE:
Charging door
Opening the charging door
Operation
Press the right center edge of the
charging door.
The charging door is not open when
the vehicle is locked.
Closing the charging door
Operation
Close the charging door by pressing
rear
Hybrid Starter Generator(HSG)
Component location
HPCU (Hybrid Power Control Unit)
(LDC+MCU+HCU+Reservoir)
Hybrid drive motor
Hybrid starter generator (HSG)
Electrical radiator
Electric water pump (EWP)
Specification
Inspection
Inspect the line to lin
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