Kia Niro: High Voltage Battery System / Case Repair procedures

Removal
  

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 before doing any work related with the high voltage system(Refer to "High Voltage Shut-off Procedure"). Failure to follow the safety instructions may result in serious electrical injuries.

High Voltage Battery Front Cover

1.

Shut off the high voltage circuit.

(Refer to Hybrid Control System - “High Voltage Shutoff Procedure”)

2.

Remove the rear seat cushion.

(Refer to Body - "Rear Seat Assembly")

3.

Remove the rear door scuff trim.

(Refer to Body - "Door Scuff Trim")

4.

Remove the cooling duct.

(Refer to High Voltage Battery Cooling System - "Cooling Duct")

5.

Remove the upper frame (A) after loosening the mounting bolts and nuts.

High voltage battery system assembly upper frame mounting bolt :

19.6 - 29.4 N·m (2.0 - 3.0 kgf·m, 14.5 - 21.7 lb·ft)

High voltage battery system assembly upper frame mounting nut (M8) :

19.6 - 29.4 N·m (2.0 - 3.0 kgf·m, 14.5 - 21.7 lb·ft)

High voltage battery system assembly upper frame mounting nut (M6) :

7.8 - 11.8 N·m (0.8 - 1.2 kgf·m, 5.8 - 8.7 lb·ft)

6.

Remove the high voltage battery rear cover (A) after loosening the mounting bolts and nuts.

High voltage battery rear cover mounting bolt / nut :

7.8 - 11.8 N·m (0.8 - 1.2 kgf·m, 5.8 - 8.7 lb·ft)

7.

Remove the high voltage battery front cover (A) after loosening the mounting bolts and nuts.

High voltage battery front cover mounting bolt / nut :

7.8 - 11.8 N·m (0.8 - 1.2 kgf·m, 5.8 - 8.7 lb·ft)

High Voltage Battery Rear Cover

1.

Shut off the high voltage circuit.

(Refer to Hybrid Control System - “High Voltage Shutoff Procedure”)

2.

Remove the rear seat cushion.

(Refer to Body - "Rear Seat Assembly")

3.

Remove the rear door scuff trim.

(Refer to Body - "Door Scuff Trim")

4.

Remove the cooling duct.

(Refer to High Voltage Battery Cooling System - "Cooling Duct")

5.

Remove the upper frame (A) after loosening the mounting bolts and nuts.

High voltage battery system assembly upper frame mounting bolt :

19.6 - 29.4 N·m (2.0 - 3.0 kgf·m, 14.5 - 21.7 lb·ft)

High voltage battery system assembly upper frame mounting nut (M8) :

19.6 - 29.4 N·m (2.0 - 3.0 kgf·m, 14.5 - 21.7 lb·ft)

High voltage battery system assembly upper frame mounting nut (M6) :

7.8 - 11.8 N·m (0.8 - 1.2 kgf·m, 5.8 - 8.7 lb·ft)

6.

Remove the high voltage battery rear cover (A) after loosening the mounting bolts and nuts.

High voltage battery rear cover mounting bolt / nut :

7.8 - 11.8 N·m (0.8 - 1.2 kgf·m, 5.8 - 8.7 lb·ft)

Installation
  

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 before doing any work related with the high voltage system(Refer to "High Voltage Shut-off Procedure"). Failure to follow the safety instructions may result in serious electrical injuries.

1.

Install the case in the reverse order of removal.

Power Relay Assembly (PRA) Repair procedures
Removal    • Be sure to read and follow the “General Safety Information and Caution” ...

High Voltage Battery Control System
...

Other information:

Kia Niro 2017 (DE HEV) Service Manual: Cooling Fan Repair procedures
Removal and Installation Cooling Fan Assembly 1. Disconnect the negative battery terminal. 2. Remove the air cleaner and air duct A. (Refer to Intake and Exhaust System - "Air Cleaner") 3. Separate the engine c ...

Kia Niro 2017 (DE HEV) Service Manual: EGR Cooler Repair procedures
Removal and Installation 1. Disconnect the negative battery terminal. 2. Remove the engine room under cover. (Refer to Engine and Transaxle Assembly - "Engine Room Under Cover") 3. Drain the coolant. ...

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