Kia Optima: Heating, Ventilation and Air Conditioning

Kia Optima DL3 2019-2024 Service and Repair Manual / Heating, Ventilation and Air Conditioning

Service data

Service Data

Air Conditioner

ltem		Specification
Compressor	Type	6SAS14
	Oil type & Capacity	ND-OIL 12 80 ± 10 cc (2.82 ± 0.35 oz.)
	Pulley type	6PK-TYPE
	Displacement	140.6 cc / rev
Expansion valve	Type	Block type
Refrigerant	Type	R-134a	R-1234yf
	Capacity	600 ± 25 g (21.2 ± 0.88 oz.)	520 ± 25 g (18.3 ± 0.88 oz.)

Blower Unit

Item		Specification
Fresh and recirculation	Operating method	Actuator
Blower	Type	Sirocco pan
	Speed step	Auto + 8 speed (Automatic) / 1 - 4 speed (Manual)
	Speed control	Power mosfet (Automatic) / Resistor (Manual)
Air filter	Type	Particle filter / HEPA combi filter

Heater and Evaporator Unit

Item		Specification
Heater	Type	Fin & Tube type
	Type	Tube - Fin 1Way
Controller	Type	Manual control
		FATC control

Tightening torque

Tightening Torques

Items	N.m	kgf.m	lb-ft
Compressor	21.6 - 32.4	2.2 - 3.3	15.9 - 23.9
Condenser - Discharge hose	8.8 - 13.7	0.9 - 1.4	6.5 - 10.1
Condenser - Liquid tube	8.8 - 13.7	0.9 - 1.4	6.5 - 10.1
Compressor - Discharge hose	21.6 - 32.4	2.2 - 3.3	15.9 - 23.9
Compressor - Suction hose	21.6 - 32.4	2.2 - 3.3	15.9 - 23.9
Expansion valve - Evaporator	8.8 - 13.7	0.9 - 1.4	6.5 - 10.1

Troubleshooting

Problem Symptoms Table

Before replacing or repairing air conditioning components, first determine if the malfunction is due to the refrigerant charge, air flow or compressor.

Use the table below to help you find the cause of the problem. The numbers indicate the priority of the likely cause of the problem. Check each part in order. If necessary, replace these parts.

After correcting the malfunction, check the complete system to ensure that performance is satisfactory.

Standard:

Symptom	Suspected Area
No blower operation	1. Blower fuse
	2. Blower relay
	3. Blower motor
	4. Power mosfet
	5. Blower speed control switch
	6. Wire harness
No air temperature control	1. Engine coolant capacity
No air temperature control	2. Heater control assembly
No compressor operation	1. Refrigerant capacity
	2. A/C fuse
	3. Compressor
	4. A/C pressure transducer
	5. A/C switch
	6. Evaporator temperature sensor
	7. Wire harness
Vented air not cold	1. Refrigerant capacity
	2. Refrigerant pressure
	3. Drive belt
	4. Compressor
	5. A/C pressure transducer
	6. Evaporator temperature sensor
	7. A/C switch
	8. Heater control assembly
	9. Wire harness
Insufficient cooling	1. Refrigerant capacity
	2. Drive belt
	3. Compressor
	4. Condenser
	5. Expansion valve
	6. Evaporator
	7. Refrigerant lines
	8. A/C pressure transducer
	9. Heater control assembly
No engine idle-up when A/C switch ON	1. Engine ECM
No engine idle-up when A/C switch ON	2. Wire harness
No air inlet control	1. Heater control assembly
No mode control	1. Heater control assembly
No mode control	2. Mode actuator
No cooling fan operation	1. Cooling fan fuse
	2. Fan motor
	3. Engine ECM
	4. Wire harness

Special service tools

Special Service Tools

Tool (Number and name)	Illustration	Use
09383-59100 Disc & hub assembly bolt remover		Removal and installation of disc & hub assembly.

Air Conditioning System

Heater

Blower

Controller

Rain Sensor

Schematic diagrams Connector and Terminal Function ...

Air Conditioning System

General safety information and caution Instructions (R-134a) When Handling Refrigerant 1. R-134a liquid refrigerant is highly volatile. A drop on the skin of your han ...

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