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).

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 hose (A, B) from the EWP.

Installation
1.

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.

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

Coolant Repair procedures
Refilling And Bleeding    Never remove the cap when the engine is hot. Serious scalding could be caused by hot fluid ...

Other information:

Kia Niro (DE HEV) Owners Manual: Battery recharging
Your vehicle has a maintenance-free, calcium-based battery. If the battery becomes discharged in a short time (because, for example, the headlights or interior lights were left on while the vehicle was not in use), recharge it by slow charging (trickle) for 10 hours. If the battery gradu ...

Kia Niro 2017 (DE HEV) Service Manual: General safety information and caution
Safety Precaution Precautions to take before servicing high voltage system    Hybrid vehicles have high voltage batteries. Incorrect handling of high voltage sy ...

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