Kia Niro: Hybrid Motor Cooling System / Electric Water Pump(EWP) Repair procedures

Removal

1.	Disconnect the 12V battery negative cable.

2.	Remove the under cover. (Refer to Engine Mechanical System - "Engine Room Under Cover")

3.	Drain the coolant of hybrid motor cooling system. (Refer to Hybrid Motor Cooling System - "Coolant")

4.	Separate the hose (A) from the reservoir.

5.	Separate the hose (A).

Disconnect the EWP connector (A) and then remove the EWP after removing the bracket (B).

Tightening torque :

9.8 - 11.8 N·m (1.0 - 1.2 kgf·m, 7.2 - 8.7 lb·ft)

7.	Separate the hose (A, B) from the EWP.

Installation

Install in the reverse order of removal.

•	Be careful not to damage other hose by when tightening the clamp.

•	Install the clamp in the specified direction to prevent interference with surrounding components.

•	Refill the hybrid motor cooling system with coolant and then perform the air bleeding using the GDS/KDS. (Refer to Hybrid Motor Cooling System - "Coolant")

•	Confirm the coolant leak or fluid leak from the hose connections part in state of engine start.

Specification Item Specification Type Water pump Operation Motor drive Voltage ...

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