Air conditioning system Hyundai Accent 2

General information about the air conditioning system
The compressor, driven by the car's engine, compresses the gaseous refrigerant to high pressure, significantly increasing the temperature of the refrigerant. The...

Technical data of the air conditioning system
Heater Maximum heating power, kcal/h 4 500 ±10% Cooling Maximum cooling capacity, kcal/h 4100±410 Compressor Type HS–15 Model PAG or FD46XG Diameter x stroke, mm 29.0 x...

Instructions for use of refrigerant
Execution order 1. Liquid refrigerant R–134a has a high content of volatile substances. If it gets on your skin, it can result in frostbite, so you must wear protective...

Notes when replacing air conditioning system components
Execution order 1. Never open the circuit or disconnect any air conditioning system components before discharging the system. 2. After disconnecting the air conditioning...

Connecting the elements of the air conditioning system
Before installation, check the new O-ring for damage and lubricate it with air conditioning compressor oil. Tighten the bolts and nuts to the specified torque. The...

Checking the air conditioning system components installed on the vehicle
Execution order 1. Check the condenser fins for clogging or damage. If the fins are clogged, clean them with a high-pressure water jet. Warning: Be careful not to damage...

Installation of pressure gauges to measure pressure
Connecting pressure gauges 1 - high pressure side; 2 – high pressure side; 3 - low pressure; 4 – high pressure; 5 – low pressure side; 6 – low pressure side. The R-134a...

Pumping atmospheric air out of the air conditioning system
If the air conditioning circuit has been opened and atmospheric air has entered, it must be evacuated using a vacuum pump. If the system has been open for several days,...

Charging the air conditioning system
Warning! The air conditioning system is charged through the low pressure side with refrigerant in gaseous state. When the cooling container is placed on the right side,...

Checking the refrigerant level
Execution order 1. Start the engine and let it run at 1500 rpm. 2. Turn the A/C switch to the ON position. 3. Set the temperature control knob to the coldest position....

Performance test
Elements of the air conditioning system 1 – tube (A); 2 – tube (B); 3 – outlet pipe; 4 – outlet pipe; 5 – port on the high pressure side; 6 – evaporator block; 7 – tube;...

Air Conditioning Compressor Lubricant Oil
Air conditioning compressor lubricating oil circulates in the system when the compressor is running. When replacing any component of the air conditioning system with a...

Checking the relay
Execution order 1. Disconnect the cable from the negative battery terminal. 2. Remove the relay box cover located in the engine compartment. 3. Remove the relay from the...

Air conditioning compressor
1 – air conditioning compressor; 2 – bolt, 20.4–30.6 N·m; 3 – air conditioning compressor pulley; 4 – bolt, 17 Nm; 5 – air conditioning compressor bracket; 6 – tension...

Clutch bushing and air conditioning compressor pulley
Clutch and pulley of the air conditioner compressor 1 – spacer sleeve; 2 – pulley and bearing; 3 – excitation coil; 4 – electromagnetic clutch connector; 5 – sealing...

Clutch excitation coil
Removal 1. Remove the clutch sleeve and the air conditioning compressor pulley. 2. Install the safety tool on the open hole of the compressor shaft. 3. Install the...

Checking the compressor on the car
Execution order 1. Install pressure gauges on the line. 2. Check the tension of the compressor drive belt. 3. Start the engine and let it run at 1500 rpm. 4. Check the...

Triple (dual) pressure sensor
The triple (dual) pressure switch is a combination switch for low pressure (to check the amount of refrigerant), medium pressure (to turn on the condenser fan) and high...

Fan and condenser
1 – condenser tank; 2 – condenser fan; 3 – condenser fan mounting bolt; 4 – capacitor. Removal 1. Discharge the air conditioning system. 2. Drain the coolant from the...

Evaporator — removal and installation
1 – air filter; 2 – air filter cover; 3 – upper evaporator crankcase; 4 – evaporator radiator; 5 – lower evaporator crankcase. Removal 1. Disconnect the cable from the...

Checking the thermostatic sensor (thermistor)
The thermistor monitors the core temperature and turns off the A/C compressor relay to prevent the evaporator from freezing when over-cooled. Execution order 1. Remove...

Evaporator air filter
Removal 1. Remove the glove box. 2. Disconnect the cable (fan unit). 3. Remove the air filter cover. 4. Remove the air filter. Installation 1. Installation is carried...

Heating and ventilation unit
The heat generated by the engine is transferred by the coolant to the heater radiator located in the passenger compartment. The air flow supplied by the ventilation...

Heater unit — removal and installation
1 – heater radiator cap; 2 – heater radiator; 3 – air mixing valve; 4 – clamp; 5 – heater body; 6 – gasket; 7 – control valve; 8 – heater body. Removal 1. Disconnect the...

Fan — removal and installation
1 – fan motor cooling tube; 2 – resistor block; 3 – air intake; 4 – air intake flap shaft; 5 – upper fan housing; 6 – lower fan housing; 7 – fan impeller; 8 – fan...

Troubleshooting
Sign Probable cause Method of elimination No air flow The fan motor does not work Check the engine power supply circuit The fan motor is running Check the following...

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