Kia Optima DL3: Cooling System / Reservoir Tank

Kia Optima DL3 2019-2026 Service and Repair Manual / Engine Mechanical System / Cooling System / Reservoir Tank

Repair procedures

Removal and Installation
1.

Remove the reservoir tank.

(1)

Disconnect the degassing hose (A).

(2)

Disconnect the reservoir tank water hose (B).

(3)

Remove the reservoir tank (C).

Tightening torque :

7.8 - 11.7 N•m (0.8 - 1.2 kgf•m, 5.7 - 8.6 lb•ft)

2.

Install in the reverse order of removal.

    Repair procedures Refilling And Bleeding    Never remove the reservoir tank cap when the engine is hot.

    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.

    Other information:

    Kia Optima DL3 2019-2026 Service and Repair Manual: Heater Core

    Repair procedures Replacement 1. Disconnect the negative (-) battery terminal. 2. Remove the heater and blower assembly. (Refer to Heater - "Heater Unit") 3. Loosen the mounting screws and remove the heater core cover (A).

    Kia Optima DL3 2019-2026 Service and Repair Manual: Blower Motor

    Repair procedures Inspection 1. Connect the battery voltage and check the blower motor rotation. 2. If the blower motor does not operate well, substitute with a known-good blower motor and check for proper operation.

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