KIA Niro: Cooling Fan Repair procedures | Cooling Fan Assembly

Cooling Fan Components and components location

Components

1. Cooling fan
2. Cooling fan motor
3. Cooling fan shroud
4. Air dam
5. Cooling fan controller (PWM)

Description

Controls the cooling fan motor voltage depending on the duty output from the ECU (Freq.: 300Hz).

Signal from the ECU to the PWM (SI: 300Hz)

Specifications

Circuit Diagram

PWM Circuit Diagram

Cooling Fan Assembly

Removal and
Installation

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.

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