Kia Niro: Cooling System / 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 clutch reservoir tank (A).

Tightening torque :

3.9 - 5.9 N·m (0.4 - 0.6 kgf·m, 2.9 - 4.3 lb·ft)

4.

Disconnect the cooling fan control module (PWM) connector (A).

5.

Remove the hybrid starter generator coolant hose & pipe (A) from the cooling fan shroud.

Tightening torque :

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

6.

Separate the radiator coolant pipe (A) from the cooling fan shroud.

Tightening torque :

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

7.

Remove the air dam (A).

Tightening torque :

1.8 - 2.5 N·m (0.18 - 0.25 kgf·m, 1.3 - 1.8 lb·ft)

8.

Remove the cooling fan assembly (A).

Tightening torque :

4.9 - 8.3 N·m (0.5 - 0.8 kgf·m, 3.6 - 6.1 lb·ft)

9.

Install in the reverse order of removal.

Cooling Fan Control Module (PWM)

1.

Disconnect the battery negative terminal.

2.

Remove the air duct.

(Refer to Intake and Exhaust System - "Air Cleaner")

3.

Disconnect the cooling fan control module (PWM) connector (A) and cooling fan motor connector (B).

4.

Remove the cooling fan control module (PWM) (A).

Tightening torque :

4.9 - 8.3 N·m (0.50 - 0.85 kgf·m, 3.6 - 6.1 lb·ft)

5.

Install in the reverse order of removal.

Disassembly
1.

Remove the cooling fan (A) from cooling fan shroud.

Tightening torque :

2.8 - 3.2 N·m (0.28 - 0.33 kgf·m, 2.0 - 2.4 lb·ft)

2.

Disconnect the cooling fan motor connector (A).

3.

Remove the cooling fan motor (A) from cooling fan shroud.

Tightening torque :

3.9 - 5.9 N·m (0.4 - 0.6 kgf·m, 2.9 - 4.3 lb·ft)

4.

Install in the reverse order of removal.

Inspection

Fan Motor

1.

Disconnect the fan motor connector from the resistor.

2.

Connect the battery voltage to the "+" terminal and ground to " - " terminal.

3.

Check the cooling fan motor operates well.

Cooling Fan Schematic diagrams
Circuit Diagram PWM Circuit Diagram ...

Radiator Components and components location
Components 1. Reservoir tank 2. Radiator reservoir hose & pipe 3. Radiator 4. Radiator upper hose 5. Radiator lower hose 6. Radiator upper ...

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