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

Removal
1.

Disconnect the negative (-) cable of the 12V battery.

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).

6.

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 hoses (A, B) from the EWP.

Installation
1.

Install in the reverse order of removal.

  

Be careful not to damage other hoses nearby 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")

After installing, check for leakage of coolant or fluid from hose connection during engine start.

Electric Water Pump (EWP) Specifications
Specification Item Specification Type Water pump Operation Motor drive Voltage ...

Reservoir Components and components location
Components Location 1. Reservoir ...

Other information:

Kia Niro (DE HEV) Owners Manual: Recommended coolant
When adding coolant, use only deionized water or soft water for your vehicle and never mix hard water in the coolant filled at the factory. An improper coolant mixture can result in serious malfunction or engine damage. The engine in your vehicle has aluminum engine parts and must be prot ...

Kia Niro 2017 (DE HEV) Service Manual: Radiator Repair procedures
Removal and Installation 1. Disconnect the negative battery terminal. 2. Remove the air cleaner. (Refer to Intake and Exhaust System - "Air Cleaner") 3. Remove the engine room under cover. (Refer to Eng ...

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