Kia Optima: Cooling System / Cooling Fan

Kia Optima DL3 2019-2021 Service and Repair Manual / Engine Mechanical System / Cooling System / Cooling Fan

Components and components location
Components

1. Cooling fan
2. Cooling fan motor
3. Cooling fan shroud

Specifications
Specifications

Item
Specification
Fan type
PULLER
Fan speed control
Resisor
Air flow rate (㎥/h)
1,950 - 8% min.
Fan speed (rpm)
1,650 ± 8%
Current (A)
11.7 + 10% max.

Schematic diagrams
Circuit Diagram

Repair procedures
Removal and Installation

Cooling fan assembly

1.

Disconnect the battery negative terminal.

2.

Remove the air duct.

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

3.

Disconnect the wiring harness connector (A).

4.

Separate the degassing hose (A) from cooling fan.

  

Do not remove the degassing hose (A) from radiator upper hose.

5.

Remove the cooling fan assembly (A) from radiator.

Tightening torque :

4.9 - 7.8 N•m (0.5 - 0.8 kgf•m, 3.6 - 5.8 lb•ft, 43.4 - 69.4 lb•in)

6.

Install in the reverse order of removal.

Disassembly
1.

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

Tightening torque :

4.5 - 5.0 N•m (0.45 - 0.5 kgf•m , 3.3 - 3.6 lb•ft, 39.1 - 43.4 lb•in)

2.

Assemble in the reverse order of disassembly.

Inspection
1.

Turn ignition switch "OFF" and connect the KDS to the Data Link Connector.

2.

With the gear shift in P (Park) position and ignistion switch "ON" (LED of the Power button illuminates in Red), select the "force drive" function.

3.

Force drive the cooling fan motor.

  

There are two functions for the fan motor force drive: Low speed and high speed.

[Fan motor low speed]

1)

Start the "Fan motor low speed" of the force drive function.

2)

Force drive by pressing the start button.

3)

Visually check the operation of the cooling fan.

4)

Stop the force drive by pressing the stop button.

[Fan motor high speed]

1)

Start the "Fan motor high speed" of the force drive function.

2)

Force drive by pressing the start button.

3)

Visually check the operation of the cooling fan.

4)

Stop the force drive by pressing the stop button.

Reservoir Tank
Repair procedures Removal and Installation 1. Remove the reservoir tank. (1) Disconnect the degassing hose (A). (2 ...

Radiator
Components and components location Components 1. Radiator 2. Radiator upper mounting bracket 3. Radiator upper hose 4. Radiator lower hose 5. Radiator l ...

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